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.)
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