(Answered) What is the standard deviation

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Problem: Underage drinking, Part II: We learned in Exercise 3.25 that about 69.7% of 18-20 year olds consumed alcoholic beverages in 2008. We now consider a random sample of fifty 18-20 year olds. Be detailed in your response and provide examples also.

(a) How many people would you expect to have consumed alcoholic beverages? (round to one decimal place)

(b) What is the standard deviation?

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