SOLUTION: if 60% of all women are employed outside the home, find he probablity that in a sample of 20 women:
a. Excatly 20 are employed
b. at least 10 are employed
c. at most five are no
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Question 158923This question is from textbook a brief version of elementry statsitcs
: if 60% of all women are employed outside the home, find he probablity that in a sample of 20 women:
a. Excatly 20 are employed
b. at least 10 are employed
c. at most five are not employed outside the home.
This question is from textbook a brief version of elementry statsitcs
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
.60*20 = 12 women
of the 20 are employed
.
Since the answer is 12 it rules out A).
.
If 12 are employed that means 8 are not employed -- rules out C).
.
Only answer left is B).
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