Algebra and Trigonometry 10th Edition

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



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: $$1-.0625 = .9375$$
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