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) 0.9834 B) 0.4834 C) 0.0179 D) 0.0166

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The lengths of human pregnanices.

69) 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) 0.9834
B) 0.4834
C) 0.0179
D) 0.0166
Transcribed Image Text:69) 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) 0.9834 B) 0.4834 C) 0.0179 D) 0.0166
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