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The length of human pregnancies is approximately normal with mean u = 266 days and standard deviation o = 16 days. Complete parts (a) through

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The length of human pregnancies is approximately normal with mean u = 266 days and standard deviation o = 16 days. Complete parts (a) through (f). (a) What is the probability that a randomly selected pregnancy lasts less than 258 days? The probability that a randomly selected pregnancy lasts less than 258 days is approximately (Round to four decimal places as needed.)

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