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
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
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
|
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b) Find the
55th
percentile of the number of apps. Round the answer to two decimal places.
The
55th
|
|
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