A population of values has a normal distribution with u = 20.2 and o = 37.9. You intend to draw a random sample of size %3D n = 69. Find the probability that a single randomly selected value is greater than 7. P(X>7) = Find the probability that a sample of size n = 69 is randomly selected with a mean greater than 7. %3D P(M> 7) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

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
100%

6

A population of values has a normal distribution with u = 20.2
and o = 37.9. You intend to draw a random sample of size
|3D
n = 69.
Find the probability that a single randomly selected value is
greater than 7.
P(X>7) =
Find the probability that a sample of size n = 69 is randomly
selected with a mean greater than 7.
P(M>7) =
%3D
Enter your answers as numbers accurate to 4 decimal places.
Answers obtained using exact z-scores or z-scores rounded to 3
decimal places are accepted.
Transcribed Image Text:A population of values has a normal distribution with u = 20.2 and o = 37.9. You intend to draw a random sample of size |3D n = 69. Find the probability that a single randomly selected value is greater than 7. P(X>7) = Find the probability that a sample of size n = 69 is randomly selected with a mean greater than 7. P(M>7) = %3D Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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