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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?
What are the roles of accountant, let me know the career opportunity in accounting subject?
Bugsy?s Haulers, is considering the purchase or lease of a fuel tanker. The Purchase Option The purchase price is R4 000 000. This will be paid off as follows: R2 5
Activity Based Costing, Accounting Traditional cost accounting has been based on allocating a subjective or calculated range of indirect expenses to direct costs. Activity Based Co
Define Mortality: The following rates are used for measuring mortality. Crude death rate The annual crude death rate is defined as Crude death rate = annual deaths / annual
what is singular statistics
Tension: When a sequence, place, cable or a man is presented tight, the ends of the sequence or place (or wire) pull on whatever systems are connected to them towards the sequence.
). Calculate Karl Pearson’s coefficient of correlation from the following data , using 20 as the working mean for price and 70 as the working mean for demand: Price: 14 16 17 18 1
the resultant of two perpandicular forces of magnitude p each will be
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Explain how you would decide whether to use the additive model or the multiplicative model to analyse a time series.
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