According to research, the durations of human pregnancies are normally distributed with mean 268 days and standard deviation 15 days. Refer to the table of values O Area Under the Standard Normal Distribution as needed. Part 1 of 2 (a) What is the probability that you were born more than 298 days after you were conceived? The probability that you were born more than 298 days after you were conceived is 0.0228 %. Part: 1/2 Part 2 of 2 (b) If a child is conceived on April 8, what is the probability that it will be born before January 31? The probability that the child will be born before January 31 is

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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According to research, the durations of human pregnancies are normally distributed with mean 268 days and standard
deviation 15 days. Refer to the table of values OArea Under the Standard Normal Distribution as needed.
Part 1 of 2
(a) What is the probability that you were born more than 298 days after you were concelved?
The probability that you were born more than 298 days after you were conceived is
0.0228 %.
Part: 1/2
Part 2 of 2
(b) If a child is conceived on April 8, what is the probability that it will be born before January 31?
The probability that the child will be born before January 31 is %.
Transcribed Image Text:According to research, the durations of human pregnancies are normally distributed with mean 268 days and standard deviation 15 days. Refer to the table of values OArea Under the Standard Normal Distribution as needed. Part 1 of 2 (a) What is the probability that you were born more than 298 days after you were concelved? The probability that you were born more than 298 days after you were conceived is 0.0228 %. Part: 1/2 Part 2 of 2 (b) If a child is conceived on April 8, what is the probability that it will be born before January 31? The probability that the child will be born before January 31 is %.
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