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Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3 Find the standard deviation of X. The standard deviation is. (Round to two decimal places as needed.)

Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3 Find the standard deviation of X. The standard deviation is. (Round to two decimal places as needed.)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
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Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3 Find the standard deviation of X. The standard deviation is (Round to two decimal places as needed.)
Transcribed Image Text:Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3 Find the standard deviation of X. The standard deviation is (Round to two decimal places as needed.)
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