What does the result​ suggest?     A. The result suggests the event did not occur.   B. The result suggests that the husband is the father.   C. The result suggests an uncommon but not significant event occurred.   D. The result suggests that either a very rare event occurred or the husband is not the father. Part 3 b. Babies who are born on or before enter your response here days are considered premature. ​(Round to the nearest integer as​ needed.)

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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Question
The lengths of pregnancies are normally distributed with a mean of
268
days and a standard deviation of
15
days.
a. In a letter to an advice​ column, a wife claimed to have given birth
307
days after a brief visit from her​ husband, who was working in another country. Find the probability of a pregnancy lasting
307
days or longer. What does the result​ suggest?
b. If the length of pregnancy is in the lowest
4​%,
then the baby is premature. Find the length that separates premature babies from those who are not considered premature.
 
 
 

Question content area bottom

Part 1
a. The probability that a pregnancy will last
307
days or longer is
enter your response here.
​(Round to four decimal places as​ needed.)
Part 2
What does the result​ suggest?
 
 
A.
The result suggests the event did not occur.
 
B.
The result suggests that the husband is the father.
 
C.
The result suggests an uncommon but not significant event occurred.
 
D.
The result suggests that either a very rare event occurred or the husband is not the father.
Part 3
b. Babies who are born on or before
enter your response here
days are considered premature.
​(Round to the nearest integer as​ needed.)
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