Assume the number of apps is normally distributed with mean  89 and standard deviation 30 . Part: 0 / 2 0 of 2 Parts Complete   Part 1 of 2     (a) What proportion of phones have fewer than  111  apps? Round the answer to four decimal places. The proportion of phones that have fewer than  111

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
How many apps? According to a website, the mean number of apps on a smartphone in the United States is 
89. Assume the number of apps is normally distributed with mean 
89 and standard deviation 30
.
Part: 0 / 2
0 of 2 Parts Complete
 
Part 1 of 2
 
 

(a) What proportion of phones have fewer than 

111

 apps? Round the answer to four decimal places.

The proportion of phones that have fewer than 
111
 apps is 
 
.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

 

b) Find the 

55th

 percentile of the number of apps. Round the answer to two decimal places.

The 
55th
 percentile of the number of apps is 
 
.
 
 
 
Solution
Bartleby Expert
SEE SOLUTION
Similar 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