Mathematics, 15.03.2020 22:31 cam3227

In a certain town, 70% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the standard deviation for the probability distribution.
x p(x)
0 0.081
1 0.0756
2 0.2646
3 0.4116
4 0.2401

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