A poll of 2,096 randomly selected adults showed that 91% of them own cell phones. The technology display below results from a test of the claim that 95% of adults own
A poll of 2,096 randomly selected adults showed that 91% of them own cell phones. The technology display below results from a test of the claim that 95% of adults own
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
Related questions
Question
A poll of
normal distribution as an approximation to the binomial distribution, and assume a
2,096
randomly selected adults showed that
91%
of them own cell phones. The technology display below results from a test of the claim that
95%
of adults own cell phones. Use the 0.01
significance level to complete parts (a) through (e).
Test of
p=0.95
vs
p≠0.95
|
||||||
Sample
|
X
|
N
|
Sample p
|
95% CI
|
Z-Value
|
P-Value
|
---|---|---|---|---|---|---|
1
|
1906
|
2,096
|
0.909351
|
(0.893198,0.925505)
|
−8.54
|
0.000
|
Question content area bottom
Part 1
a. Is the test two-tailed, left-tailed, or right-tailed?
Two-tailed test
Left-tailed test
Right tailed test
Part 2
b. What is the test statistic?
The test statistic is
negative 8.54−8.54.
(Round to two decimal places as needed.)
Part 3
c. What is the P-value?
The P-value is
enter your response here.
(Round to three decimal places as needed.)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL