TictokD. Determine the values of the random variables in each of the following distributions.1. Two coins are tossed. Let H be the number of tails that occur. Determine the values of the random variable H.2. A meeting of envoys was attended by 4 Koreans and 2 Filipinos. If three envoys were selected at random one afterthe other, determine the values of the random variable K representing the number of Koreans.3. Solve: Grace Ann wants to determine if the formula below describes a probability distribution. Solve the following:X+2P(X)=Ewhere X 0, 1, 2. If it is, find the following:b. P(X 2 1)a. P(X = 2)C. P(XS 1)

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A. Construct the probability distribution for the random variables described in each of the following situations. Draw the corresponding histogram for each probability distribution.1. Random variable X which is equal or corresponds to 52. Random variable Y, which is equal or corresponds to 8
Let W be a random variable giving the number of tails minus the number of heads in three tosses of a coin. Assuming that a tail is one-fifth as likely to occur, find the probability distribution of the random variable W. Complete the following probability distribution of W. 3 1 -1 -3 1 12 48 64 f(w) 125 125 125 125 (Type integers or simplified fractions.) Save W
High school students in Michigan sometimes get "snow days" in the winter when the roads are so bad that school is canceled for the day. Define the random variableX = the number of snow days at a certain high school in Michigan for a randomly selected school year. Suppose the table below gives the probability distribution of X. 1. Value x, 1. 3 4 5 6 7 8 9 10 Probability p, ? 0.19 0.14 0.10 0.07 0.05 0.04 0.04 0.02 0.01 0.01 (a) Write the event “the school year has O snow days" in terms of X. Then find its probability. (b) At this high school, if more than 5 snow days are used over the course of the year, students are required to make up the time at the end of the school year. What's the probability that a randomly selected school year will require make-up days?
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Let a random variable X have the t, distribution. What is the distribution of X?? Select one: O a. x O b. FA
Assume that 12 jurors are selected from a population in which 50% of the people are Mexican-Americans. The random variable x is the number of Mexican-Americans on the jury. x 0 1 2 3 4 5 6 7 8 9 10 11 12 P(x) 0.0000.000 0.0030 0.0160 0.0540 0.1210 0.1930 0.2260 0.1930 0.1210 0.0540 0.0160 0.0030 0.0000 A. Find the probability of exactly 2 Mexican-Americans among 12 jurors. P(2)equals= b. Find the probability of 2 or fewer Mexican-Americans among 12 jurors. c. Does 2 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? Why or why not?
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Which of the following is an example of a discrete random variable? The amount of time it takes for a worker to complete a complex task. The monthly electric bill for a local business. The number of people eating at a local cafeteria between noon and 2:00 p.m.
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Which of the following is a discrete random variable? O length of time spent watching movies volume of gas use in a household length of a bike number of butterflies in your backyard

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the values of the random variables in each of the following distributions. 1. Two coins are tossed. Let H be the number of tails that occur. Determine the values of the random variable H.