Based on a smartphone survey, assume that 55% of adults with smartphones use them in theaters. In a separate survey of 234 adults with smartphones, it is foun hat 127 use them in theaters. a. If the 55% rate is correct, find the probability of getting 127 or fewer smartphone owners who use them in theaters. p. Is the result of 127 significantly low? a. If the 55% rate is correct, the probability of getting 127 or fewer smartphone owners who use them in theaters is Round to four decimal places as needed.) b. Is the result of 127 significantly low? than the probability cutoff that corresponds to a significant event, which v 0.5. because the probability of this event is 0.95. 0.05.

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
1 of 2
Based on a smartphone survey, assume that 55% of adults with smartphones use them in theaters. In a separate survey of 234 adults with smartphones, it is found
that 127 use them in theaters.
a. If the 55% rate is correct, find the probability of getting 127 or fewer smartphone owners who use them in theaters.
b. Is the result of 127 significantly low?
0 of 2
ts
a. If the 55% rate is correct, the probability of getting 127 or fewer smartphone owners who use them in theaters is
(Round to four decimal places as needed.)
b. Is the result of 127 significantly low?
v than the probability cutoff that corresponds to a significant event, which iv
0.5.
v because the probability of this event is
0.95.
0.05.
1 of 1
cents
1 of 1
cess
1 of oo
Library
otions
0 of 2
?
Enter your answer in the answer boOx.
This course (Elementary Statistics Section T) is based on Triola: Elementary Statistics, 13e
d山T。
1386
4.
PAGES
W
NOV
22
3D
MacBook Air
DII
DD
80
000
D00
F8
F9
F10
55
F6
F7
Transcribed Image Text:1 of 2 Based on a smartphone survey, assume that 55% of adults with smartphones use them in theaters. In a separate survey of 234 adults with smartphones, it is found that 127 use them in theaters. a. If the 55% rate is correct, find the probability of getting 127 or fewer smartphone owners who use them in theaters. b. Is the result of 127 significantly low? 0 of 2 ts a. If the 55% rate is correct, the probability of getting 127 or fewer smartphone owners who use them in theaters is (Round to four decimal places as needed.) b. Is the result of 127 significantly low? v than the probability cutoff that corresponds to a significant event, which iv 0.5. v because the probability of this event is 0.95. 0.05. 1 of 1 cents 1 of 1 cess 1 of oo Library otions 0 of 2 ? Enter your answer in the answer boOx. This course (Elementary Statistics Section T) is based on Triola: Elementary Statistics, 13e d山T。 1386 4. PAGES W NOV 22 3D MacBook Air DII DD 80 000 D00 F8 F9 F10 55 F6 F7
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
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