The cumulative distribution function (CDF) of a discrete random variable Y is given below. The possible values of Y are -2, -1, 0, 1, and 2. The cumulative probabilities are shown above the corresponding intervals. Determine the value of the cumulative probability x in the interval [0,1) so that E[Y]=0.

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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The cumulative distribution function (CDF) of a discrete random variable Y is given below.

The possible values of Y are -2, -1, 0, 1, and 2. The cumulative probabilities are shown above the corresponding intervals.

Determine the value of the cumulative probability x in the interval [0,1) so that E[Y]=0.

1
FY(y)
7/8
1/3
1/8
-2
-1
1 2
y
Transcribed Image Text:1 FY(y) 7/8 1/3 1/8 -2 -1 1 2 y
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