A medical research team is interested in estimating the mean systolic blood pressure among teenagers. From previous study, they do know that the population standard deviation is 10. How many teenagers should be sampled so that a 90% confidence interval will have a margin of error of 5? (Hint: Certainly, the answer should present an integer number.)

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
A medical research team is interested in estimating the mean systolic blood pressure
among teenagers. From previous study, they do know that the population standard
deviation is 10. How many teenagers should be sampled so that a 90% confidence
interval will have a margin of error of 5?
(Hint: Certainly, the answer should present an integer number.)
Transcribed Image Text:A medical research team is interested in estimating the mean systolic blood pressure among teenagers. From previous study, they do know that the population standard deviation is 10. How many teenagers should be sampled so that a 90% confidence interval will have a margin of error of 5? (Hint: Certainly, the answer should present an integer number.)
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
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