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The length in days of human pregnancies is known to be normally distributed with a mean of 266 days and a standard deviation of 16 days, a random sample of 50 pregnant women were selected from the population, what is the minimum number of days that belongs to the longest 5% of all pregnancies last? A) 269.72 days B 239.68 days C) 292.32 days D) 262.28 days

The length in days of human pregnancies is known to be normally distributed with a mean of 266 days and a standard deviation of 16 days, a random sample of 50 pregnant women were selected from the population, what is the minimum number of days that belongs to the longest 5% of all pregnancies last? A) 269.72 days B 239.68 days C) 292.32 days D) 262.28 days

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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The length in days of human pregnancies is known to be normally distributed with a mean of 266 days and a standard deviation of 16 days, a random sample of 50 pregnant women were selected from the population, what is the minimum number of days that belongs to the longest 5% of all pregnancies last? A 269.72 days B) 239.68 days C) 292.32 days D) 262.28 days
Transcribed Image Text:The length in days of human pregnancies is known to be normally distributed with a mean of 266 days and a standard deviation of 16 days, a random sample of 50 pregnant women were selected from the population, what is the minimum number of days that belongs to the longest 5% of all pregnancies last? A 269.72 days B) 239.68 days C) 292.32 days D) 262.28 days
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