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An airplane has 100 seats but the airline company sold 107 tickets to their customers. Assume that the probability for each customer to show up is 92%. (a) What is the probability that someone will be bumped out?
Are there other methods besides ANOVA that can be used to evaluate whether the difference in means between TWO OR MORE samples is significant?
Find the alternative would be chosen according to expected value and utility.
Bob Billy is an operations analyst for Dollar-Does-It stores based in Iva, SC. He is currently studying the order and stocking policies for top-selling toy.
Twenty three percent of automobiles are not covered by insurance. On a particular weekend, 35 automobiles are involved in accident.
Find the probability that the average of those counts is more than 81.4 mosquitos per square meter. Assume that the variable is normally distributed.
Why do we want to assume that our sample data represent a population distribution? What are the differences between the binomial and normal distributions?
Given below is the rate of return for one year (reported in percent) for the sample of 12 mutual funds. Using .05 significance level is it sensible to conclude that mean rate of return is more than 4.50 percent?
Of the adults in Jefferson County, 10 percent have had CPR training. For a randomly selected group of students from this county, how large will the group have to be in order for the probability that have as a minimum one group member has had CPR t..
Suppose that a study based on a sample from a targeted population shows that people at a pizza restaurant are hungrier than people at a coffee shop. make an interference based on the results of the study.
The manager for Select-a-Seat, a company that sells tickets to athletic games, concerts, and other events, has determined that the number of people arriving at the Broadway location on a typical day is Poisson distributed with a mean of 12 per hou..
Explain why the t distribution is used as a part of the confidence interval.
Each time marksman i fires he hits the target,independently of the past, with probability P i,i=1,2,3. Determine the proportion of time, in the long run, that each marksman shoots.
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