(Choose 1 answer)
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?
Let
P(Z <2.13) = 0.9834, P(Z< -0.04) = 0.4834.
Α. 0.4834
B. 0.0179
C. 0.9834
D. 0.0166
E. None of the other choices is correct
