How much should buy items using normal approximation

Reference no: EM13114052

Members of the BetaUpsilon Zeta fraternity each drink a randomnumber of beers with mean 6 and standard deviation 3. If there are 81 fraternity members, how much should they buy so that using the normal approximation they are 93.32% sure they will not run out?

Reference no: EM13114052

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