The lengths of pregnancies are normally distributed with a

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Reference no: EM13621000

The lengths of pregnancies are normally distributed with a mean of 266 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 a pregnancy is in the lowest 3%, then the baby is premature. Find the length that separates premature babies from those who aren't.

Reference no: EM13621000

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