Solution: Let X be a random variable with the following

Chapter 5, Problem 4.34

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QUESTION:

Let X be a random variable with the following probability distribution:

Find the standard deviation of X.

Questions & Answers

QUESTION:

Let X be a random variable with the following probability distribution:

Find the standard deviation of X.

ANSWER:

Step 1 of 2

To find the standard deviation we'll use the formula for finding the variance and then take a positive square root of the obtained value.

First, we need to find the mean of the random variable .

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