Administrators at the stock exchange claim that only 8% of all companies report incorrect higher profits, but you suspect that the proportion is much higher. Use the results of the audit of 200 companies with results that 30 reported incorrect higher profits to answer the following. a. State the null and alternative hypotheses. b. Check to be sure that we are allowed to use Normal calculations. c. Complete the Test on calculator. Report the test statistic value and the p-value. d. State your conclusion regarding the results of your hypothesis test in context of the problem. How many companies should have been audited at 95% confidence level in order for the margin of error to be 3%? Use p=0.08 in your formula. Show all work. Round appropriately e.

Administrators at the stock exchange claim that only 8% of all companies report incorrect higher profits, but you suspect that the proportion is much higher. Use the results of the audit of 200 companies with results that 30 reported incorrect higher profits to answer the following. a. State the null and alternative hypotheses. b. Check to be sure that we are allowed to use Normal calculations. c. Complete the Test on calculator. Report the test statistic value and the p-value. d. State your conclusion regarding the results of your hypothesis test in context of the problem. How many companies should have been audited at 95% confidence level in order for the margin of error to be 3%? Use p=0.08 in your formula. Show all work. Round appropriately e.

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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