The lengths of human pregnancies are approximately normally distributed, with mean 256 days and standard deviation 76 days a. What proportion of pregnancies lasts more than 270 days? b. What proportion of pregnancies lasts less than 250 days? c. What proportion of pregnancies lasts between 240 and 280 days? For No. 1, draw a normal curve with the area corresponding to the probability shaded.
The lengths of human pregnancies are approximately normally distributed, with mean 256 days and standard deviation 76 days a. What proportion of pregnancies lasts more than 270 days? b. What proportion of pregnancies lasts less than 250 days? c. What proportion of pregnancies lasts between 240 and 280 days? For No. 1, draw a normal curve with the area corresponding to the probability shaded.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. The lengths of human pregnancies are approximately
a. What proportion of pregnancies lasts more than 270 days?
b. What proportion of pregnancies lasts less than 250 days?
c. What proportion of pregnancies lasts between 240 and 280 days?
For No. 1, draw a normal curve with the area corresponding to the probability shaded.
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