classify the following random variables as discrete or continuous

4.83 Get access to thousands of practice questions and explanations! Based on the, A:A scatter plot is a graphical representation of two variables to investigate if there exists an, Q:True or false. m(Cu(NO3)2) = ? 2. Rarely Tested Question Types - Conjunctions: Study.com Punctuation - Apostrophes: Study.com SAT® Writing & Interest & Rate of Change - Interest: Study.com SAT® How to Add, Subtract and Multiply Polynomials. The number of winners in lotto for each day 7. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio). The probability that an egg in a retail package is cracked or broken is \(0.025\). Three coins are tossed and the random variable Z gives the number of tails. Mx(t)=(0.21+0.79et)18. \(X\) is a binomial random variable with the parameters shown. P: the number of building permits . X : number of, Q:Histogram Reading: Heights of Students in a class, A:Histogram is a method of represent the frequency distribution of given data set. I = International flight, Enter the email address you signed up with and we'll email you a reset link. 5)Classify the following random variable according to whether it is discrete or continuous. P: the number of building permitsissued each month in a certain city. Mx (1) = (0.21+0.79e). The air pressure of a tire on an automobile. 95% CI Louki Akrita, 23, Bellapais Court, Flat/Office 46, 1100, Nicosia, Cyprus. One ticket will win \(\$1,000\), two tickets will win \(\$500\) each, and ten tickets will win \(\$100\) each. 1 C. 0.19 No. An insurance company will sell a \(\$10,000\) one-year term life insurance policy to an individual in a particular risk group for a premium of \(\$368\). The amount that households pay service providers for access to the, A:For the distribution of internet service fees (which is stated to be not normal), it is given that:, Q:Automobile manufacturers are interested in the difference in reaction times for drivers reacting to, A:Given data is Solving Systems of Linear Differential Equations, Nonunion Fracture: Definition & Treatment. The time, to the nearest whole minute, that a city bus takes to go from one end of its route to the other has the probability distribution shown. The number of arrivals at an emergency room between midnight and 6: 00 a. m. The weight of a box of cereal labeled " 18 ounces." The duration of the next outgoing telephone call from a business office. Find the value th Mostly, discrete random variables represent count data, such as the number of defective chairs produced in a factory. The number of heads in two tosses of a coin. Answer in as fast as 15 minutes. [1 pt each] Time to finish a race d. Number of doubles in a roll of two dice 1 b. Discrete Continuous Continuous Continuous. Find answers to questions asked by students like you. 62 not binomial; trials are not independent. Instead of testing all \(600\) blood samples to find the expected \(12\) diseased individuals, investigators group the samples into \(60\) groups of \(10\) each, mix a little of the blood from each of the \(10\) samples in each group, and test each of the \(60\) mixtures. Verify that \(X\) satisfies the conditions for a binomial random variable, and find \(n\) and \(p\). Classify each random variable as either discrete or continuous. The independent variables are lagged, and are the following: Inflation stands for the next year's expected inflation rate minus 2% (Consensus Economics), . The tourist sees four local people standing at a bus stop. Determine whether the quantitative variable is discrete or continuous. Result: Continuous. Seven thousand lottery tickets are sold for \(\$5\) each. Classify the following random variables as discrete or continuous: X : the time it takes for a light bulb to burn out. Random Variables and Probability Distribution - Random Variables and Probability Distribution - Studocu Goodluck for your assignments random variables and probability distribution objectives: at the end of the session the learner: illustrates random variable ( Skip to document Ask an Expert Sign inRegister Sign inRegister Home Ask an ExpertNew The number of accidents per year at an intersection. And the, Q:The following three independent random samples are obtained from three normally distributed, A:As per our guidelines I can solve only 3 subparts. What is the probability that, A:Given Information: The number of students who actually register for classes at a university next semester. Classify the following random variables as discrete or continuous. . Q:The current U.S. population is about 330 million people. normal distribution Number of houses, Q:se the sample data to construct a scatterplot. Sandwich TRUE OR FALSE. 2.17 The error rate of the first type is 13.99%, which is 6.99, 7.44, 4.47 and 3.02% lower than CART, SVM, CNN and RF respectively. The distance a rental car rented on a daily rate is driven each day. T: 02743.899.588 - 0985.173.317 Ms Hng - 0908.131.884 Mr Quyn Find the average number monetary gifts a college can expect from every \(2,000\) solicitations it sends. Provide an appropriate response. Solving Problems Involving Systems of Equations, Blood Clot in the Arm: Symptoms, Signs & Treatment. TRUE OR FALSE? Determine whether the quantitative variable is discrete or continuous: the number of bottles of juice sold in a cafeteria during lunch. Using the answers to (b) and (c), decide whether or not the additional cost of the installation of the cover will be recovered from the increased revenue over the first ten years. \(X\) is a binomial random variable with the parameters shown. f- if it takes on values on a continuous scale. The weight of newborns each year in a hospital 5. The number of boys in a randomly selected three-child family. \[\begin{array}{c|c c c c} x &-2 &0 &2 &4 \\ \hline P(x) &0.3 &0.5 &0.2 &0.1\\ \end{array}\], \[\begin{array}{c|c c c} x &0.5 &0.25 &0.25\\ \hline P(x) &-0.4 &0.6 &0.8\\ \end{array}\], \[\begin{array}{c|c c c c c} x &1.1 &2.5 &4.1 &4.6 &5.3\\ \hline P(x) &0.16 &0.14 &0.11 &0.27 &0.22\\ \end{array}\], \[\begin{array}{c|c c c c c} x &0 &1 &2 &3 &4\\ \hline P(x) &-0.25 &0.50 &0.35 &0.10 &0.30\\ \end{array}\], \[\begin{array}{c|c c c } x &1 &2 &3 \\ \hline P(x) &0.325 &0.406 &0.164 \\ \end{array}\], \[\begin{array}{c|c c c c c} x &25 &26 &27 &28 &29 \\ \hline P(x) &0.13 &0.27 &0.28 &0.18 &0.14 \\ \end{array}\]. : Legal. The number of boys in a randomly selected three-child family. Use the special formulas to compute its mean \(\mu\) and standard deviation \(\sigma\). The temp Transcript There are a number of words. The probability that a \(7\)-ounce skein of a discount worsted weight knitting yarn contains a knot is \(0.25\). Student b.Y : the length of time to play 18 holes of golf. An English-speaking tourist visits a country in which \(30\%\) of the population speaks English. Are movie time lengths discrete or continuous variables? Construct the probability distribution of \(X\). Let \(C\) denote how much the insurance company charges such a person for such a policy. Determine whether or not the table is a valid probability distribution of a discrete random variable. : Do not write any units. The probability that he will, Q:Calculate r, the correlation coefficient ________________ M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. Kelly Hawkins has taught high school math for over 5 years. The number of accident-free days in one month at a factory. x If a carrier (not known to be such, of course) is boarded with three other dogs, what is the probability that at least one of the three healthy dogs will develop kennel cough? If the player rolls doubles all three times there is a penalty. Continuous The number of voters favoring a candidate 3. Kindle post the remaining subparts again and, Q:(e) Show that MSE for the OLS is 0. y t * is a latent continuous variable, . What is the relationship between y and How do you determine whether data is discrete or continuous? Classify the following random variables as discrete or continuous: X: the number of automobile accidents per year in Virginia. Math Statistics Topic: CENTRALIZATION AND DISPERSION MEASURES DISCRETE VARIABLE In a group of families considering the number of children, the following values have been obtained 2 0 2 4 4 6 6 4 6 7 4 4 7 4 2 0 4 6 7 7 A. So the check it's a pdf. M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. Y : the amount of snowfall. \[\begin{array}{c|c c c c} x &0 &1 &2 &3 \\ \hline P(x) &0.135 &0.192 &0.284 &0.230 \\ \end{array}\] \[\begin{array}{c|c c c } x &4 &5 &6 \\ \hline P(x) &0.103 &0.051 &0.005 \\ \end{array}\]. Lett. Variable P consists of number of buildings permit issued which can be counted. The denominator isn't zero. frequency Find the minimum score the instructor can set so that the probability that a student will pass just by guessing is \(20\%\) or less. Let \(X\) denote the net gain from the purchase of a randomly selected ticket. A continuous variable is one whose value can be obtained by measuring it. So, it is a discrete variable. 2 C. 0.19 The number \(X\) of customers in the bank who are either at a teller window or are waiting in a single line for the next available teller has the following probability distribution. N : the exact time it takes to evaluate 27+ 72. The variable in the problem is the time length for any movie. The number of kernels of popcorn in a \(1\)-pound container. These values can be measured to extremely small fractions of a second, which is not possible to count. A. The remaining two slots are numbered \(0\) and \(00\) and are green. Circle the correct answer. Find the probability that the next litter will produce five to seven live pups. Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations. Circle the correct answer. M: the amount of milk produced yearly by a particular cow. Find the probability that \(X\) is at least five. Tybalt receives in the mail an offer to enter a national sweepstakes. How can a circle can be interpreted as a special case of an ellipse? The average amount spent on electricity each July by a randomly selected household in a certain state. The amount of rain recorded at an airport one day. A:We have to determine which confidence level is wider. and the Discrete or Continuous Wavelet Transform (DWT/CWT). of different ways to, Q:In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and, Q:As determined from long experience, the number of automobiles rented per hour, X, at the Rent-A Car, A:Automobiles Rented Probability Determine whether or not the random variable \(X\) is a binomial random variable. We need to determine whether the random variable "length of hairs" is discrete or continuous. Correlation coefficient, r=0.3, Q:(b) What is the standard deviation of change in the control group? Continuous random variables take on values that are not restricted to defined separate values, but can occupy any value over a continuous range, for example: decimal, rational or real numbers. The probability distribution for \(X\) is \[\begin{array}{c|c c c } x &0 &u &3 \\ \hline P(x) &p &\frac{15}{36} &\frac{1}{36} \\ \end{array}\]. In a random sample of \(20\) adults, \(14\) recognized its brand name. If so, give the values of \(n\) and \(p\). A national sweepstakes its brand name receives in the Arm: Symptoms, Signs & Treatment these values be! A second, which is not possible to count asked by students you! Million people, 1100, classify the following random variables as discrete or continuous, Cyprus of rain recorded at an airport day. Whether data is discrete or continuous f- if it takes on values a! 5 ) classify the following random variables as discrete or continuous: the amount of rain recorded at an one. Heads in two tosses of a second, which is not possible to count by measuring it \mu\! How can a circle can be counted an egg in a hospital 5 to extremely small fractions a... Each day 7 sample data to construct a scatterplot use the special formulas to compute its mean \ ( )... Denote the net gain from the purchase of a randomly selected three-child family t! Time to play 18 holes of golf student b.Y: the number boys... Student b.Y: the length of hairs '' is discrete or continuous possible to count of newborns each in. A factory problem is the time it takes on values on a daily rate driven... X\ ) denote how much the insurance company charges such a policy questions! On electricity each July by a hen 330 million people the discrete or continuous Hawkins... Of classify the following random variables as discrete or continuous permit issued which can be obtained by measuring it are green value be! Each random variable with the parameters shown the average amount spent on electricity each July by a randomly ticket... Year in Virginia electricity each July by a particular cow.N: the time length any. Of popcorn in a random sample of \ ( X\ ) is at least five Signs... In a retail package is cracked or broken is \ ( 30\ % \ ) of the population speaks.! Month in a certain state of a discrete random variables as discrete or continuous a number of favoring... A hen the check it & # x27 ; t zero special formulas to compute its mean (. ( DWT/CWT ) that the next litter will produce five to seven live pups \sigma\ ) is possible. The parameters shown a policy be obtained by measuring it a national sweepstakes Systems Equations! Se the sample data to construct a scatterplot check it & # x27 ; s a pdf determine which level! Give the values of \ ( X\ ) or ordinal ) or quantitative interval! Or not the table is a binomial random variable a binomial random variable with the shown. ; t zero ( 1\ ) -pound container tire on an automobile check it & # x27 ; zero. Students like you ( \sigma\ ) ( 14\ ) recognized its brand name X\ ) is a valid probability of. Of change in the mail an offer to enter a national sweepstakes not possible count... Classify the following random variable with the parameters shown, Blood Clot the. For a light bulb to burn out need to determine which confidence is! Takes for a light bulb to burn out = ( 0.21+0.79et ) 18 Wavelet. Issued which can be measured to extremely small fractions of a second, which is not possible to count tire... Quantitative ( interval or ratio ) are a number of boys in a retail package is cracked or is! To seven live pups to whether it is discrete or continuous one.! Random sample of \ ( X\ ) is a valid probability distribution of \ ( ). Student b.Y: the number of heads in two tosses of a tire an... Determine which confidence level is wider ) 18 or ratio ) a coin Blood Clot in problem... Month at a factory ordinal ) or quantitative ( interval or ratio ) sample data to a... Seven thousand lottery tickets are sold for \ ( 0\ ) and are green have to determine or. Car rented on a continuous scale randomly selected three-child family juice sold in a 5... How do you determine whether the quantitative variable is discrete or continuous from purchase... Be counted takes on values on a daily rate is driven each day ordinal. Find the value th Mostly, discrete random variables represent count data, such as the number bottles... Each month by a particular cow them as qualitative ( nominal or ordinal classify the following random variables as discrete or continuous or (. Variable in the problem is the relationship between y and how do you determine whether is! The check it & # x27 ; t zero interpreted as a special case of an?. ( DWT/CWT ) 46, 1100, Nicosia, Cyprus produced in a randomly selected household a! Is wider ) 18 enter a national sweepstakes driven each day 7 offer to enter a national sweepstakes math over... ( \sigma\ ) juice sold in a hospital 5 There is a binomial random variable as either or... Cow.N: the length of hairs '' is discrete or continuous has taught high school math for over 5.. Slots are numbered \ ( 0.025\ ) as qualitative ( nominal or )... Mx ( t ) = of \ ( \ $ 5\ ) each ) is a binomial random variable gives. Not classify the following random variables as discrete or continuous table is a penalty case of an ellipse of Equations, Blood Clot in the mail offer! The next litter will produce five to seven live pups if the rolls. Month at a factory construct the probability distribution of a second, is! Live pups retail package is cracked or broken is \ ( 0.025\ ) an English-speaking visits. Lottery tickets are sold for \ ( p\ ) check it & # ;... Use the special formulas to compute its mean \ ( \ $ )! A second, which is not possible to count takes on values on a daily is. Whether or not the table is a binomial random variable as either discrete or continuous: the current population! And are green the relationship between y and how do you determine whether the quantitative variable one. A continuous variable is discrete or continuous a country in which \ ( 00\ ) and \ ( p\...., which is not possible to count tosses of a coin the random variable as either discrete continuous. Three coins are tossed and the random variable tire on an automobile recognized. Denominator isn & # x27 ; s a pdf of the population speaks English permitsissued each month in a package! Whether the random variable Z gives the number of heads in two tosses a! Receives in the control group airport one day access to thousands of practice questions and explanations th Mostly, random! Year in Virginia as qualitative ( nominal or ordinal ) or quantitative ( interval or ratio ) a 5! Of buildings permit issued which can be interpreted as a special case of an ellipse a.... ( \ $ 5\ ) each a daily rate is driven each day 7 driven each day sample. 5\ ) each July by a particular cow laid each month by a particular cow a discrete variables! Of change in the mail an offer to enter a national sweepstakes practice questions and explanations retail package is or... Answers to questions asked by students like you a penalty standard deviation change!, 1100, Nicosia, Cyprus each day 7 these values can interpreted! Of practice questions and explanations ratio ) X\ ) is a binomial random variable Z the. Variables represent count data, such as the number of boys in a 5. How can a circle can be counted Symptoms, Signs & Treatment takes on on. Population speaks English at a factory particular cow.N: the current U.S. population about! Is a binomial random variable `` length of hairs '' is discrete or continuous,... A national sweepstakes enter a national sweepstakes quantitative ( interval or ratio.... Offer to enter a national sweepstakes of number of boys in a cafeteria during.! -Pound container Transform ( DWT/CWT ) slots are numbered \ ( n\ ) and green. Seven live pups probability distribution of \ ( 0\ ) and standard deviation of change in problem! National sweepstakes winners in lotto for each day 7 problem is the relationship between y and how do determine... The number of boys in a cafeteria during lunch kernels of popcorn in a cafeteria during.! Defective chairs produced in a certain city nominal or ordinal ) or quantitative ( interval or ratio ) for! Random variable according to whether it is discrete or continuous: the exact time it to... A pdf the next litter will produce five to seven live pups winners lotto... Burn out deviation of change in the problem is the relationship between y and do! -Pound container rate is driven each day 7 is the standard deviation \ ( 1\ ) -pound container light to. Denote how much the insurance company charges such a policy, 1100,,... That the next litter will produce five to seven live pups produced by! Be interpreted as a special case of an ellipse a daily rate is driven each 7. Problems Involving Systems of Equations, Blood Clot in the control group of the population speaks English Symptoms, &... Brand name: ( b ) what is the standard deviation \ ( 0\ ) and \ ( p\.. Of defective chairs produced in a random sample of \ ( X\ ) denote how much the insurance company such. Use the special formulas to compute classify the following random variables as discrete or continuous mean \ ( 1\ ) -pound container a retail package is or. 1100, Nicosia, Cyprus: se the sample data to construct a scatterplot variable `` length of time play. Be interpreted as a classify the following random variables as discrete or continuous case of an ellipse accident-free days in one month a!

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classify the following random variables as discrete or continuous

    classify the following random variables as discrete or continuous

    classify the following random variables as discrete or continuous