according to government data, 20% of employed women have never been married, if 10 employed women are selected at random, what is the probablility that exactly 2 have never been married

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Answered Same DayDec 24, 2021

Answer To: according to government data, 20% of employed women have never been married, if 10 employed women...

David answered on Dec 24 2021

129 Votes

Let X denote number of those who have never been married in n = 10 indepen-
dent employed women, where each has a probability p = 0.2
We denote this by:
X ∼ Binomial(n = 10, p = 0.2)
P (X = 2), n = 10, p = 0.2
X ∼ Binomial(n = 10, p = 0.2)
P (X = 2) =
(
n
x
)
px(1 − p)n−x...

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according to government data, 20% of employed women have never been married, if 10 employed women are selected at random, what is the probablility that exactly 2 have never been married

Answer To: according to government data, 20% of employed women have never been married, if 10 employed women...

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