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The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability

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The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy last at least 300 days? Round to four decimal places. O A. 0.9834 O B. 0.0179 O C. 0.4834 O D. 0.0164

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