Question
Find the variance of a random variable X? if X = 9, 11, 12, 13, 14, and P(X) = 0.2, 0.25, 0.3, 0.15, 0.1 respectively
Find the variance of a random variable X? if X = 9, 11, 12, 13, 14, and P(X) = 0.2, 0.25, 0.3, 0.15, 0.1 respectively
- 2.35
- 1.35
- 3.35
- 4.35
Find the variance of a random variable X? if X = 7, 9, 10, 11, 12, and P(X) = 0.2, 0.25, 0.3, 0.15, 0.1 respectively
- 3.35
- 4.35
- 1.35
- 2.35
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Statistical Reasoning For Everyday Life
Authors: Jeff Bennett, William Briggs, Mario Triola
5th Edition
9780134494043
