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2. Let X be the number of packages being mailed by a randomly selected customer at a shipping facility. Suppose the distribution of X is as follows: X 1 2 3 4 p(x) 0.4 0.3 0.2 0.1 (a) Consider a random sample of size n = 2 (two customers), and let X be the sample mean number of packages shipped. Obtain the probability distribution of X. (b) Refer to part (a) and calculate Pr(X ≤ 2.5).

2. Let X be the number of packages being mailed by a randomly selected customer at a shipping facility. Suppose the distribution of X is as follows: X 1 2 3 4 p(x) 0.4 0.3 0.2 0.1 (a) Consider a random sample of size n = 2 (two customers), and let X be the sample mean number of packages shipped. Obtain the probability distribution of X. (b) Refer to part (a) and calculate Pr(X ≤ 2.5).

MATLAB: An Introduction with Applications
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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2. Let X be the number of packages being mailed by a randomly selected customer at a shipping facility. Suppose the distribution of X is as follows: X 1 2 3 4 p(x) 0.4 0.3 0.2 0.1 (a) Consider a random sample of size n = 2 (two customers), and let X be the sample mean number of packages shipped. Obtain the probability distribution of X. (b) Refer to part (a) and calculate Pr(X ≤ 2.5).
Transcribed Image Text:2. Let X be the number of packages being mailed by a randomly selected customer at a shipping facility. Suppose the distribution of X is as follows: X 1 2 3 4 p(x) 0.4 0.3 0.2 0.1 (a) Consider a random sample of size n = 2 (two customers), and let X be the sample mean number of packages shipped. Obtain the probability distribution of X. (b) Refer to part (a) and calculate Pr(X ≤ 2.5).
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