test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation A poll of 2,081 ra

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Test Of The Claim That 92 Of Adults Own Cell Phones Use The Normal Distribution As An Approximation A Poll Of 2 081 Ra 1 (61.07 KiB) Viewed 82 times

test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation A poll of 2,081 randomly selected adults showed that 91% of them own cell phones. The technology display below results from to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). Test of p=0.92 vs p=0.92 Sample X N Sample p 95% CI Z-Value P-Value 1 1888 2,081 0.907256 (0.890877,0.923635) -2.14 0.032 (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=0.92 OB. Ho: p = 0.92 0 C. Ho: p>0.92 OD. Ho: p<0.92 Choose the correct answer below. O A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. Click to select your answer(s). a 4 04:55

A poll of 2,081 randomly selected adults showed that 91% of them own cell phones. The technology display below results from to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation Test of p = 0.92 vs p+0.92 Sample X N 1 2,081 Z-Value Sample p 0.907256 1888 95% CI (0.890877,0.923635) P-Value 0.032 -2.14 O A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. OB. Reject the null hypothesis because the P-value is less than or equal to the significance level, a. OC. Reject the null hypothesis because the P-value is greater than the significance level, a. OD. 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 sufficient evidence to warrant rejection of the claim that 92% of adults own a cell phone. OB. There is sufficient evidence to support the claim that 92% of adults own a cell phone. OC. There is not sufficient evidence to support the claim that 92% of adults own a cell phone. OD. There is not sufficient evidence to warrant rejection of the claim that 92% of adults own a cell phone. Click to select your answer(s). O M 3 4:55

A poll of 2,081 randomly selected adults showed that 91% of them own cell phones. The technology display below results from to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation Test of p=0.92 vs p+0.92 Sample x N 1 2,081 Sample p 0.907256 95% CI (0.890877,0.923635) Z.Value -2.14 P.Value 0.032 1888 a. Is the test two-tailed, left-tailed, or right-tailed? 0 Two-tailed test Left-tailed test O Right 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.) Click to select your answer(s). O M 3 4:55