Child Probability

Biology Level 2

A couple has 5 biological children. All of them are sons. If the woman now gives birth to a sixth child, what is the probability that the sixth child will be a son?

Note: A version of this question appeared on the 1999 AP Biology Exam.

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Child Probability

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100 Day Summer Challenge

Child Probability

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.