The data shown here were collected via a phone survey in 2011 of 799 cell phones users of age 12 to 17 by the Pew Research Foundation. Number of text messages sent/received on a typical day 0 1-10 11-20 21-50 51-100 101+ If we select a person at random from this sample, % of teen cell phone users 1% 19% 12% 20% 18% ? a. what is the probability that the person responded that they texted more than 100 times in a typical day? Round to two decimal places. b. what is the probability that the person responded that they texted between 21 and 100 times a typical day? Round to two decimal places. c. what is the probability that the person did not respond that they never text? Round to two decimal places.

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

What are the answer to problems A, B, C from the image?

The data shown here were collected via a phone survey in 2011 of 799 cell phones users of age 12 to 17 by the Pew Research Foundation.
Number of text messages sent/received on a typical day
0
1-10
11-20
21-50
51-100
101+
If we select a person at random from this sample,
% of teen cell phone users
1%
19%
12%
20%
18%
?
a. what is the probability that the person responded that they texted more than 100 times in a typical day? Round to two decimal places.
b. what is the probability that the person responded that they texted between 21 and 100 times a typical day? Round to two decimal places.
c. what is the probability that the person did not respond that they never text? Round to two decimal places.
Transcribed Image Text:The data shown here were collected via a phone survey in 2011 of 799 cell phones users of age 12 to 17 by the Pew Research Foundation. Number of text messages sent/received on a typical day 0 1-10 11-20 21-50 51-100 101+ If we select a person at random from this sample, % of teen cell phone users 1% 19% 12% 20% 18% ? a. what is the probability that the person responded that they texted more than 100 times in a typical day? Round to two decimal places. b. what is the probability that the person responded that they texted between 21 and 100 times a typical day? Round to two decimal places. c. what is the probability that the person did not respond that they never text? Round to two decimal places.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps

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