A family has three children. Assuming a boy is as likely as a girl to have been born, what are the following probabilities? Three are girls and none are boys.At least 1 is a boy.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.6: Permutations
Problem 31E
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A family has three children. Assuming a boy is as likely as a girl to have been born, what are the following probabilities?

Three are girls and none are boys.


At least 1 is a boy.
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