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A poll of 2,081 randomly selected adults showed that 92% of them own cell phones. The technology display below results from a test of the claim that 90% 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 (@) through (e) Test of p = 0.9 vs p #0.9 Sample X Sample p 95% CI Z-Value P-Value 1908 2,081 0.916867 (0.901278,0.932456) 2.56 0.010 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? 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#0.9 OB. Ho: p 0.9 OD. Ho: p = 0.9 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. O B. Reject the null hypothesis because the P-value is greater than the significance level, a. 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 sufficient evidence to support the claim that 90% of adults own a cell phone. O B. There is not sufficient evidence to warrant rejection of the claim that 90% of adults own a cell phone. O C. There is sufficient evidence to warrant rejection of the claim that 90% of adults own a cell phone. O D. There is not sufficient evidence to support the claim that 90% of adults own a cell phone