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Mathematics

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a telephone poll of 1000 adult americans was reported in an issue of time magazine. one of the questions asked was how much are you worried about the quality of education in our schools? 63% responded “alot” we are interested in the population proportion of adult americans who are worried alot about the quality of education in our schools.

a. define the random variables X and P’ in words

b. which distribution should you use for this problem? (round three decimals)

P’~? (_,_)

explain your choice

c. construct a 95% confidence interval for the population proportion of adult americans who are worried alot about the quality of education in our schools.

i. state the confidence interval (round four decimals)

(_,_)

ii. calculate error bound (round four decimal)

Answer :

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