A poll of 2,088 randomly selected adults showed that 96% 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 binomialdistribution, 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 1997 2,088 0.956418 (0.944909,0.967926) 1.35 0.178
A poll of 2,088 randomly selected adults showed that 96% 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 binomialdistribution, 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 1997 2,088 0.956418 (0.944909,0.967926) 1.35 0.178
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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Question
A poll of
2,088
randomly selected adults showed that
96%
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 binomialdistribution, 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
|
1997
|
2,088
|
0.956418
|
(0.944909,0.967926)
|
1.35
|
0.178
|
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