Answered: We have the following probability table…

We have the following probability table for the random variable X. For what value of a, E[X] = 16.5? X P(X=X) Options: a) 15 10 a 20 25 0.4 0.2 0.1 0.3

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

Discrete probability distribution

We have the following probability table for the random variable X. For what value of a, E[X] = 16.5?
X
P(X=x)
Options:
a) 15
b) 10
c) 11
d) 23
10 a
0.4 0.2 0.1 0.3
20
23
25

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