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Problem:
a. According to a Business week poll of 1035 adults, 40% of those surveyed agreed strongly with the proposition that business has too much power over American life (Business Week, September 2000). Assume this percentage is representative of the true population. In a sample of 10 individuals taken from the population, what is the probability that at least five of these individuals will feel that business has too much power over American life?
b. Suppose phone calls for assistance arrive at a rate of 48 per hour at the complaints desk of a company's after sale service department.
i. Compute the probabilities of receiving exactly 10 calls, 15 calls and 20 calls in 15 minutes.
ii. Suppose no calls are currently on hold. If the agent takes five minutes to complete the current call, how many callers do you expect to be waiting by that time? What is the probability that: (a) none and (b) exactly two will be waiting?
iii. If no calls are currently being processed, what is the probability that the agent can take three minutes for personal time without being interrupted by a call? What is the probability that he will receive only one call during these three minutes?
Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers
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The ABC Company''s old equipment for making subassemblies is worn out. The company is considering two alternatives: a) Completely replacing the old equipment with new equipment b)
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journal article about capture theory,economic intrest thery,public intrest theory
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the correlation between olympic gold medal times for the 1500 m run and year is -0.941 seconds per year
How Allotment is useful An agency''s plan of approximated expenses, income, money payments, and money invoices for monthly of the biennium.
The Foschini Group has just issued a batch of preference shares that will pay a constant dividend of R8, beginning 6 years from now. If the required rate of return is 8%, what does
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