The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard
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Question:
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 lasts at least 300 days?
a. 0.0179
b. 0.9834
c. 0.9901
d. 0.0166
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