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)
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Chapter1: Combinatorial Analysis
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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-2-1012
P(X =x)0.160.170.300.150.22
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