Administrators at the stock exchange claim that only 10% of all companies report incorrect profits, but you suspect that the proportion is much higher. Use the results of the audit of 250 companies with results that 45 reported incorrect profits to answer the following.   a. How many companies should have been audited at 95% confidence level in order for the margin of error to be 4%? Use p=0.10 in your formula. Show all work.

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Q: B. DEGREE OF CONFIDENCE AND MARGIN OF ERROR 1. Find the margin of eTor if the confidence…

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Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given, n1=120                                         n2=100 p1=35%=0.35…

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A: From the provided information, Proportion (p̂) = 0.20

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Q: You are testing the claim that the proportion of men who own cats is significantly different than…

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