Answer
.9375
Work Step by Step
The probability of each given child being a girl is .5. Thus, the probability of all girls is:
$$.5^4 =.0625$$
So, the probability of at least one boy is:
$$1-.0625 = .9375$$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.7 - Probability - 11.7 Exercises - Page 837: 62c
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