random variable X is given in the following table. Find the standard deviation of the random variable X. (Round your answer to 4 decimal places.) x -2 -1 0 1 2 P(X =x) 0.16 0.17 0.30 0.15 0.22
random variable X is given in the following table. Find the standard deviation of the random variable X. (Round your answer to 4 decimal places.) x -2 -1 0 1 2 P(X =x) 0.16 0.17 0.30 0.15 0.22
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
The probability distribution of the random variable X is given in the following table. Find the standard deviation of the random variable X. (Round your answer to 4 decimal places.)
x | -2 | -1 | 0 | 1 | 2 |
P(X =x) | 0.16 | 0.17 | 0.30 | 0.15 | 0.22 |
Expert Solution
Step 1: We have given that
PMF of X
x | -2 | -1 | 0 | 1 | 2 |
P(X =x) | 0.16 | 0.17 | 0.30 | 0.15 | 0.22 |
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