Random variables and probability distributions

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Sample question:

The random variable x is the number of houses sold by a realtor in a single month at the real-estate office. Its probability distribution is:

Houses sold (x)

0

1

2

3

4

5

6

7

Probability P(x)

0.09

0.24

0.21

0.17

0.03

0.15

0.09

0.02

a. Compute the mean of the random variable.

b. Compute the standard deviation of the random variable.

Reference no: EM1399663

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