SOLUTION: Q.1 Mary has three children.What is the probablility that none of the three children are boys? Ans : a. 1/2 b. 1/3 c. 3/4 d. 1

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: Q.1 Mary has three children.What is the probablility that none of the three children are boys? Ans : a. 1/2 b. 1/3 c. 3/4 d. 1       Log On

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Question 387675: Q.1
Mary has three children.What is the probablility that none of the three children are boys?
Ans : a. 1/2
b. 1/3
c. 3/4
d. 1

Answer by rapaljer(4667) About Me  (Show Source):
You can put this solution on YOUR website!
If NONE OF THE CHILDREN ARE BOYS, this means that EACH CHILD MUST BE A GIRL!

The probability of this happening is %281%2F2%29%2A%281%2F2%29%2A%281%2F2%29.
This answer is 1%2F8. I'm absolutely sure that this is correct, but it doesn't match any of your multiple choice answers. Perhaps you've copied something wrong???

Merry Christmas!!!!!

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus