The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. a. In a letter to an advice​ column, a wife claimed to have given birth 309 days after a brief visit from her​ husband, who was working in another country. Find the probability of a pregnancy lasting 309 days or longer. What does the result​ suggest? b. If the length of pregnancy is in the lowest 2​%, 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 309 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 an uncommon but not significant event occurred.   B. The result suggests the event did not occur.   C. The result suggests that the husband is the father.   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.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
The lengths of pregnancies are normally distributed with a mean of
267
days and a standard deviation of
15
days.
a. In a letter to an advice​ column, a wife claimed to have given birth
309
days after a brief visit from her​ husband, who was working in another country. Find the probability of a pregnancy lasting
309
days or longer. What does the result​ suggest?
b. If the length of pregnancy is in the lowest
2​%,
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
309
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 an uncommon but not significant event occurred.
 
B.
The result suggests the event did not occur.
 
C.
The result suggests that the husband is the father.
 
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.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman