Question

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.)

Answer 1