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I have the following statistics problem.   Katrina wants to estimate the proportion of adult Americans who read...

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Statistics

I have the following statistics problem.  

Katrina wants to estimate the proportion of adult Americans whoread at least 10 books last year. To do so, she obtains a simplerandom sample of 100 adult Americans and constructs a 95%confidence interval. Mathew also wants to estimate the proportionof adult Americans who read at least 10 books last year. He obtainsa simple random sample of 400 adult Americans and constructs a 99%confidence level. Assuming both Katrina and Mathew obtained thesame point estimate, whose estimate will have the smaller margin oferror (Make sure to answer the following parts). 1) make up a pointestimate for Katrina and Mathew's study. report the point estimateused 2) in order to have the same point estimate, what will be thenumber of successes in Katrina's study? what will be the number ofsuccesses in Mathew's study? 3) compute the confidence interval forboth person as the problem described. who has the smaller margin oferror? how can you tell?

I have the n, the ‘fish symbol’ and the confidence interval andthe confidence interval critical value and the ‘fish’ symboldivided by 2

I’m struggling with the point estimate and the number of successfor both and who has the smallest margin of error. I am

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