A random variable X is exponentially distributed with an expected value of 25 a What is the rate parameter What is the standard deviation of X b Compute P(20 X 30) c Compute P(15 X 35) ...

a 1 E X 1 25 004 SD X E X 25 b P 20 X ...

A random variable X is exponentially distributed with an expected value of 25. a. What is the

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A random variable X is exponentially distributed with an expected value of 25.

a. What is the rate parameter ƛ? What is the standard deviation of X?

b. Compute P(20 ≤ X ≤ 30).

c. Compute P(15 ≤ X ≤ 35).

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Essentials Of Business Statistics Communicating With Numbers

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Jan 28, 2015 09:33 AM

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A random variable X is exponentially distributed with an expected value of 25. a. What is the

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