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The lengths of pregnancies are normally distributed with a mean of 267 days and a...

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The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days.a. In a letter to an advice column, a wife claimed to have given birth 308 days after a brief visit from her husband, who was working in another country. Find the probability of a pregnancy lasting 308 days or longer. What does the result suggest?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 considered premature.a. The probability that a pregnancy will last 308 days or longer is(Round to four decimal places as needed.)

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