Essay
You are in charge of arranging the catering for a company meeting.Your company is responsible for paying for all meals ordered,so you don't want to order too many.Suppose that the expected number of people for the meeting is 84,with a standard deviation of 4 people.What is the fewest number of meals should you order so that the probability of having more people than meals is 5%?
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P(X > k)= 0.05 ⇒ P[Z...View Answer
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