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Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u = 258 days and standard deviation o =

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Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean u = 258 days and standard deviation o = 23 days Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 251 days? The probability that a randomly selected pregnancy lasts less than 251 days is approximately (Round to four decimal places as needed.)

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