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solve all parts (9 pta) 5 . In investigating the smoking habits of males, it was found that in a sample of 400 males, 232

solve all parts

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(9 pta) 5 . In investigating the smoking habits of males, it was found that in a sample of 400 males, 232 males were smokers. (a) Find the sample proportion of smokers. (b) Estimate the proportions, p, of smokers among all males by a 80$ confidence interval. Write a statement interpreting the interval

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