d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94 O B. Ho: p*0.94 OC. Ho: p<0.94 O D. Ho:p>0.94 Choose the correct answer below. O A. Reject the null hypothesis because the P-value is greater than the significance level, c. B. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O C. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. O D. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. e. What is the final conclusion? O A. There is not sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
Problem 13PPS
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PART d e

A poll of 2,146 randomly selected adults showed that 92% of them own cell phones. The technology display below results from a test of the claim that 94% 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 = 0.94 vs p = 0.94
Sample X
N
2,146
1
1976
Sample p
0.920783
Z-Value
(0.905766,0.935800) -3.75
The P-value is
(Round to three decimal places as needed.)
95% CI
a. Is the test two-tailed, left-tailed, or right-tailed?
O Right tailed test
Two-tailed test
O Left-tailed test
b. What is the test statistic?
The test statistic is.
(Round to two decimal places as needed.)
c. What is the P-value?
P-Value
0.000
Transcribed Image Text:A poll of 2,146 randomly selected adults showed that 92% of them own cell phones. The technology display below results from a test of the claim that 94% 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 = 0.94 vs p = 0.94 Sample X N 2,146 1 1976 Sample p 0.920783 Z-Value (0.905766,0.935800) -3.75 The P-value is (Round to three decimal places as needed.) 95% CI a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Two-tailed test O Left-tailed test b. What is the test statistic? The test statistic is. (Round to two decimal places as needed.) c. What is the P-value? P-Value 0.000
d. What is the null hypothesis and what do you conclude about it?
Identify the null hypothesis.
O A. Ho: p=0.94
O B. Ho: p*0.94
OC. Ho: p<0.94
O D. Ho:p>0.94
Choose the correct answer below.
O A. Reject the null hypothesis because the P-value is greater than the significance level, c.
B. Reject the null hypothesis because the P-value is less than or equal to the significance level, c.
O C. Fail to reject the null hypothesis because the P-value is greater than the significance level, a.
O D. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.
e. What is the final conclusion?
O A. There is not sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.
Transcribed Image Text:d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94 O B. Ho: p*0.94 OC. Ho: p<0.94 O D. Ho:p>0.94 Choose the correct answer below. O A. Reject the null hypothesis because the P-value is greater than the significance level, c. B. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O C. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. O D. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. e. What is the final conclusion? O A. There is not sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.
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