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

Algebra ->  Probability-and-statistics -> 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      Log On


   

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) About Me  (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).