A poll of 2,009 randomly selected adults showed that 95% 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 0.05 significance level to complete parts (a) through (e). Test of p = 0.94 vs p#0.94 Sample X Sample p 95% CI Z-Value P-Value 1912 2,009 0.951717 (0.942344,0.961091) 2.21 0.027 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test Left-tailed test Two-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? The P-value isN. (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94

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A poll of 2,009 randomly selected adults showed that 95% 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 0.05 significance level to complete parts (a) through (e).
Test of p = 0.94 vs p + 0.94
Sample X
Sample p
95% CI
Z-Value
P-Value
1
1912
2,009
0.951717
(0.942344,0.961091)
2.21
0.027
O C. 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 less than or equal to the significance level, a.
B. Reject the null hypothesis because the P-value is greater than the significance level, a.
OC. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a.
O D. Fail to reject the null hypothesis because the P-value is greater than 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.
O B. There is sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone.
O C. There is sufficient evidence to support the claim that 94% of adults own a cell phone.
O D. There is not sufficient evidence to support the claim that 94% of adults own a cell phone.
Transcribed Image Text:Question Help ▼ A poll of 2,009 randomly selected adults showed that 95% 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 0.05 significance level to complete parts (a) through (e). Test of p = 0.94 vs p + 0.94 Sample X Sample p 95% CI Z-Value P-Value 1 1912 2,009 0.951717 (0.942344,0.961091) 2.21 0.027 O C. 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 less than or equal to the significance level, a. B. Reject the null hypothesis because the P-value is greater than the significance level, a. OC. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. O D. Fail to reject the null hypothesis because the P-value is greater than 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. O B. There is sufficient evidence to warrant rejection of the claim that 94% of adults own a cell phone. O C. There is sufficient evidence to support the claim that 94% of adults own a cell phone. O D. There is not sufficient evidence to support the claim that 94% of adults own a cell phone.
A poll of 2,009 randomly selected adults showed that 95% 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 0.05 significance level to complete parts (a) through (e).
Test of p 0.94 vs p 0.94
Sample X
Sample p
95% CI
Z-Value
P-Value
1
1912
2,009
0.951717
(0.942344,0.961091)
2.21
0.027
a. Is the test two-tailed, left-tailed, or right-tailed?
O Right tailed test
O Left-tailed test
O Two-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?
The P-value is.
(Round to three decimal places as needed.)
d. What is the null hypothesis and what do you conclude about it?
Identify the null hypothesis.
O A. Ho: p=0.94
Trash
Click to select your answer(s).
Transcribed Image Text:A poll of 2,009 randomly selected adults showed that 95% 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 0.05 significance level to complete parts (a) through (e). Test of p 0.94 vs p 0.94 Sample X Sample p 95% CI Z-Value P-Value 1 1912 2,009 0.951717 (0.942344,0.961091) 2.21 0.027 a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test O Left-tailed test O Two-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? The P-value is. (Round to three decimal places as needed.) d. What is the null hypothesis and what do you conclude about it? Identify the null hypothesis. O A. Ho: p=0.94 Trash Click to select your answer(s).
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