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Mathematics, 29.07.2019 21:10 myelee123

Apoll of 2 comma 018 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 0.05 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 1872 2 comma 018 0.927651 (0.916348,0.938954) negative 2.34 0.019 a. is the test two-tailed, left-tailed, or right-tailed? two-tailed test this is the correct answer. right tailed test left-tailed test your answer is not correct. b. what is the test statistic? the test statistic is nothing. (round to two decimal places as needed.)

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