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1.In a study of 67 college students, 45 of them gained weight in their freshman year. a)What is the best point estimate of the percentage

1.In a study of 67 college students, 45 of them gained weight in their freshman year.

a)What is the best point estimate of the percentage of college students who gain weight their freshman year? Round decimal to four places.

b)Construct a 98% confidence interval estimate of the percentage of college students who gain weight in their freshman year.Round decimals to four places.

c)What do the results tell us about the percentage of college students who gain weight in their freshman year?

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