Question

In the probability distribution to the​ right, the random variable X represents the number of marriages...

In the probability distribution to the​ right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Compute the standard deviation of the random variable X.

x

​P(x)

0

0.264

1

0.583

2

0.119

3

0.028

4

0.005

5

0.001

=_______marriages

​(Round to one decimal place as​ needed.)

Math   Statistics-And-Probability   
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