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 cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 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 Your answer is correct. Left-tailed test Right tailed test Part 2 b. What is the test statistic? The test statistic is enter your response here. (Round to two decimal places as needed.)
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 cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 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 Your answer is correct. Left-tailed test Right tailed test Part 2 b. What is the test statistic? The test statistic is enter your response here. (Round to two decimal places as needed.)
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
enter your response here.
(Round to two decimal places as needed.)
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