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?
A) 0.0166
B) 0.4834
C) 0.9834
D) 0.0179

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The Answer of 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?
A) 0.0166
B) 0.4834
C) 0.9834
D) 0.0179

The Lengths of Human Pregnancies Are Normally Distributed with a Mean