he Smith family was one of the first to come to the U.S. They had 7 children. Assuming that the probability of a child being a girl is .5, find the probability that the Smith family had: at least 5 girls? Is it correct answer 0.2266? at most 5 girls? Is it correct answer 0.9375?

he Smith family was one of the first to come to the U.S. They had 7 children. Assuming that the probability of a child being a girl is .5, find the probability that the Smith family had: at least 5 girls? Is it correct answer 0.2266? at most 5 girls? Is it correct answer 0.9375?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The Smith family was one of the first to come to the U.S. They had 7 children. Assuming that the probability of a child being a girl is .5, find the probability that the Smith family had:

at least 5 girls?
Is it correct answer 0.2266?

at most 5 girls?
Is it correct answer 0.9375?

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