Answered: Given the following probability…

Given the following probability distribution, what is the expected value (or mean)of X? X P(X) -100 0.2 25 0.1 50 0.5 100 0.2

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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Question

Given the following probability distribution, what is the expected value (or mean)of X?

X P(X)

-100 0.2

25 0.1

50 0.5

100 0.2

Using the probability distribution from Question #1, what is the standard deviation of X?

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