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.010.2870.105O A.XP(x)0.5-0.4-0.3+0.2-0.140-0320.288(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.Q30.245B.0.5-0.4-0.3+0.2+0.1+40.0750(c) Compute and interpret the mean of the random variable x.The mean is activities.(Type an integer or a decimal. Do not round.)1D2(...)3O C.0.5-0.4-0.3-0.2+0.1-0-013✔D.0.5-0.4-0.3+0.2-0.1+0 123

Answer:- Given probability distribution table is, X 0 1 2 3 4 P(x) 0.287 0.105 0.288 0.245…

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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In Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal.t You are scheduled to give a talk at a local scuba club in Honolulu and want to include a brief statistical profile regarding the most recent six shark attacks, all of which were nonfatal. Let r be the number of nonfatal attacks out of a random sample of six shark attacks. (a) Make a histogram for the probability distribution of r. 0.35 0.35 0.30 0.30 0.25 0.25 3 0.20 * 0.20 0.15 0.15 0.10 0.10 0.05 0.05 3 6. 2 4 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.10 0.10 0.05 0.05 3 6. 3 6. (b) What is the probability all six shark attacks are nonfatal? (Round your answer to three decimal places.) (c) What is the probability that three or more of the six shark attacks are nonfatal? (Round your answer to three decimal places.) (d) What is the expected number of nonfatal shark attacks out of the six? What is the standard deviation of the r-probability distribution? (Round your…
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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 (f) below.
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