Math

ProbabilityQ&A LibraryThe lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 307 days or longer. b. If the length of pregnancy is in the lowest 3% then the baby is premature. Find the length that separates premature babies from those who are not premature.Start your trial now! First week only $4.99!*arrow_forward*

Question

The lengths of pregnancies are normally distributed with a mean of

268 days and a standard deviation of 15

days.

a. Find the probability of a pregnancy lasting

307 days or longer. b. If the length of pregnancy is in the lowest

3% then the baby is premature.

Find the length that separates premature babies from those who are not premature.

Tagged in

Math

Probability

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