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A poll of 2 comma 059 randomly selected adults showed that 93% of them own cell...
A poll of 2 comma 059 randomly selected adults showed that 93% 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 pequals0.94 vs pnot equals0.94 Sample X N Sample p 95% CI Z-Value P-Value 1 1909 2 comma 059 0.927149 (0.912396,0.941902) negative 2.46 0.014 a. Is the test two-tailed, left-tailed, or right-tailed? Two-tailed test Your answer is correct. Left-tailed test Right tailed test b. What is the test statistic? The test statistic is nothing. (Round to two decimal places as needed.)
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