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ki77a [65]
2 years ago
14

9. The probability of a child being born with light-colored eyes to two particular parents is 0.25.

Mathematics
1 answer:
slavikrds [6]2 years ago
4 0

If X is a random variable representing the number of children that end up having light-colored eyes, then X follows a binomial distribution with success probability p = 0.25 and number of trials n = 5.

The variance of a binomial distribution with these parameters is n p (1 - p), so the variance in this case would be

5 • 0.25 • (1 - 0.25) = 0.9375 ≈ 0.9

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