A poll of 2,188 randomly selected adults showed that 90% 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 N 1 2,188 1969 Sample p 0.899909 b. What is the test statistic? Z-Value (0.887333,0.912484) -7.90 a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Right tailed test Left-tailed test The test statistic is. (Round to two decimal places as needed.) 95% CI P-Value 0.000

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