Find the standard deviation of the following data. Round your answer to one decimal place. x 0 1 2 3 4 5 P(X

Step-by-step explanation:

Given

Required

The standard deviation

First, calculate the expected value E(x)

So, we have:

Next, calculate E(x^2)

So, we have:

The standard deviation is:

--- approximated

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1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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