A poll of 2,063 randomly selected adults showed that 95% of them own cell phones. The technology display below results from a test of the claim that 92% of adultsown 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 p = 0.92 vs p+0.92SampleNSample p95% CIZ-ValueP-Value119652,0630.952496(0.940433,0.964560)5.440.000.....a. Is the test two-tailed, left-tailed, or right-tailed?Left-tailed testTwo-tailed testRight tailed testb. What is the test statistic?The test statistic is(Round to two decimal places as needed.)c. What is the P-value?The P-value is.(Round to three decimal places as needed.)d. What is the null hypothesis and what do you conclude about it?Identify the null hypothesis.О А. Но: р30.92В. Но: р#0.92О с. Но: р<0.92

Given : Claim to be tested : a) It is a two tailed test (non-directional)

Answered: A poll of 2,063 randomly selected…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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