7. The following table gives the probabilities for a joint distribution of discrete random variablesX and Y. In the table below, 0.5 is the probability that X is 1 and Y is 1, 0.12 is the probabilitythat X is 1 and Y is 2, and so forth.Y=1Y=2Y=3X=10.050.120.18X=20.110.090.100.17 0.13a) Compute the marginal frequency function of X.X=30.05b) Compute the conditional frequency of Y given X=2.c) Compute the Expectation of X

a) The joint and marginal probability mass function of X and Y is as follows:

Answered: 7. The following table gives the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) probability that x households have %3D x (# of households) a dog 0.036 1 0.219 2 0.444 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work Edit View Insert Format Tools Table BIUA e Pv: 12pt v Paragraph v DELL
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A student who is taking a stats class was assigned to watch the cars driving along Pereira Drive and count the number of people who are in each cars. Let Y be the number of people in a given car that the student observe. The following table shows the cdf of Y: 1 3 4 P(Y < y) 0.06 0.32 0.71 0.88 1 (a) What is the probability that a given car has 2 people in it? (b) What is the probability that a give car has 3 or more people in it. (c) What is the expected number of people in a given car that the student observe.
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