In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5th-grade student is involved in. Complete parts (a) through () below.to1234P(x)0.2990.0840.1310.2130.273(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive.(b) Graph the discrete probability distribution. Choose the correct graph below.YA.O B.OC.OD.0.5-04Q0.5-0.5-0.-4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.2+0.2-0.2-0.2-0.1+0.1-0.1-0.1-0-0 10-0 140123 4ó i 2 3(c) Compute and interpret the mean of the random variable x.The mean is activities.(Type an integer or a decimal. Do not round.)

Answered: In the following probability…

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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The joint probability distribution function of X and Y is given by: 1 2 3 1 0.05 0.06 0.10 X 2 0.13 0.21 0.30 a. Find the conditional distribution of Y given X = 1 b. Find the conditional distribution of X given Y = 2 5 0.02 0.03 0.10
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below. 0 1 0.287 0.105 O A. X P(x) 0.5- 0.4- 0.3+ 0.2- 0.14 0- 0 3 2 0.288 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. Q 3 0.245 B. 0.5- 0.4- 0.3+ 0.2+ 0.1+ 4 0.075 0 (c) Compute and interpret the mean of the random variable x. The mean is activities. (Type an integer or a decimal. Do not round.) 1 D 2 (...) 3 O C. 0.5- 0.4- 0.3- 0.2+ 0.1- 0- 0 1 3 ✔ D. 0.5- 0.4- 0.3+ 0.2- 0.1+ 0 1 2 3
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solve the following
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Assume that 12 jurors are randomly selected from a population in which 73% of the people are Mexican-Americans. Refer to the probability distribution table below and find the indicated probabilities. xx P(x)P(x) 0 0+ 1 0+ 2 0.0001 3 0.0007 4 0.004 5 0.0172 6 0.0542 7 0.1255 8 0.2122 9 0.2549 10 0.2068 11 0.1016 12 0.0229 Find the probability of exactly 5 Mexican-Americans among 12 jurors.P(x=5)=P(x=5)= Find the probability of 5 or fewer Mexican-Americans among 12 jurors.P(x≤5)=

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