A computer manufacturing company claims that only 7.3% of their computers are returned. Kelly thinksthat the company is misrepresenting the true proportion of computers that are returned, and that thetrue proportion is higher than they claim. She wants to test this using a = 0.05. Kelly takes a sample of255 computers and observes that 24 are returned. Assume a normal sampling distribution.%3D(a) What are the null and alternative hypotheses?Ho: p* = : 0.073 :HA: P0.073 :(b) What is the test statistic? (Round your answer to 2 decimal places, if needed.)(c) Using the statistical table, what is the p-value? (Round your answer to 4 decimal places, if needed.)(d) Based on the p-value, Kelly should fail to reject +the null hypothesis.(e) This data does not provide : sufficient evidence to conclude that the true proportion ofcomputers is higher than claimed.Check

We have given that Sample size n=255 Favorable cases x =24 Sample proportion p^=x/n =24/255…

Answered: A computer manufacturing company claims…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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