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Question: No-shows. An airline offers discounted "advancepurchase" fares to customers who buy tickets more than 30 days before travel and charges "regular" fares for tickets purchased during those last 30 days. The company has noticed that 60% of its customers take advantage of the advance-purchase fares. The "no-show" rate among people who paid regular fares is 30%, but only 5% of customers with advance-purchase tickets are no-shows.
a) What percent of all ticket holders are no-shows?
b) What's the probability that a customer who didn't show had an advance-purchase ticket?
c) Is being a no-show independent of the type of ticket a passenger holds? Explain.
How much production capacity should the manufacturer reserve for the last day?
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A production process is known to produce a particular item in such a way that 5 percent of these are defective. If two items are randomly selected as they come off the production line
New soft drink is being market tested. A sample of 400 individuals participated in the taste test and 100 indicated that they like the taste. Set up the null and the alternative hypotheses.
Is a football jersey number a quantitative or a categorical variable? Support your answer with a detailed explanation
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Florida State University administers a test of mathematics placement to students when they first enter the university.
Random Sample: Before you begin your analysis you are required to take a random sample of size 110 from the 170 cases in the file. Use the file Random_Sample_Generator-13-2.xls to do this.
1.college students average 8.6 hours of sleep per night with a standard deviation of 35 minutes. if the amount of sleep
A contractor is considering a sale that promises a profit of $32,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $9000 with a probability of 0.3. What is the expected profit?
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