Examlex
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%?
Q11: The binomial distribution is widely used in
Q14: The term used by fund managers to
Q25: The mean and variance of a chi-square
Q34: What is the sample variance of the
Q41: What is P(Z > -0.52)?
Q53: Find the upper confidence limit of the
Q72: What is the standard deviation of the
Q141: Show that,if 4 minutes have already elapsed,the
Q168: Find the probability that the percentage of
Q313: What is the probability that the contractor