# The distribution of the number of girls for a family with 3 kids below. calculate the...

###### Question:

the distribution of the number of girls for a family with 3 kids below. calculate the mean number of girls (expected value) in a family with 3 kids.
Y 0 1 2 3
P(y) 1/8. 3/8. 3/8. 1/8.

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