Suppose that the lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 14 days. Complete the following statements. (a) Approximately 95% of pregnancies have lengths between O days and days. (b) Approximately ? v of pregnancies have lengths between 226 days and 310 days.

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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Suppose that the lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 14 days. Complete the following
statements.
(a) Approximately 95% of pregnancies have lengths between O days and O days.
(b) Approximately ?
310 days.
v of pregnancies have lengths between 226 days and
Transcribed Image Text:Suppose that the lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 14 days. Complete the following statements. (a) Approximately 95% of pregnancies have lengths between O days and O days. (b) Approximately ? 310 days. v of pregnancies have lengths between 226 days and
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