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A poll of 2,079 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 p=0.94 vs p#0.94 Sample X N Sample p 95% CI Z-Value P-Value 1 1925 2,079 0.925926 (0.914668,0.937183) -2.70 0.007 a is the test two-tailed, lef-taled, or right-tailed? Right tailed test Two-tailed test O Left-tailed test b. What is the test statistic? The test statistic is (Round to two decimal piaces as needed.)

A poll of 2,079 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 p=0.94 vs p#0.94 Sample X N Sample p 95% CI Z-Value P-Value 1 1925 2,079 0.925926 (0.914668,0.937183) -2.70 0.007 a is the test two-tailed, lef-taled, or right-tailed? Right tailed test Two-tailed test O Left-tailed test b. What is the test statistic? The test statistic is (Round to two decimal piaces as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A poll of 2,079 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 p=0.94 vs p#0.94 Sample X N Sample p 95% CI Z-Value P-Value 1 1925 2,079 0.925926 (0.914668,0.937183) -2.70 0.007 a is the test two-tailed, lef-taled, or right-tailed? Right tailed test Two-tailed test O Left-tailed test b. What is the test statistic? The test statistic is (Round to two decimal piaces as needed.)
Transcribed Image Text:A poll of 2,079 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 p=0.94 vs p#0.94 Sample X N Sample p 95% CI Z-Value P-Value 1 1925 2,079 0.925926 (0.914668,0.937183) -2.70 0.007 a is the test two-tailed, lef-taled, or right-tailed? Right tailed test Two-tailed test O Left-tailed test b. What is the test statistic? The test statistic is (Round to two decimal piaces as needed.)
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