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Any state auto insurance company took a random sample of 370 insurance claims paid out during a 1-year period. the average claim was $750 with a standard deviation of $150. find .99 confidence interval for the mean claim payment.
Statistics and Probability, Statistics
Micron Technology Inc. invested into 7 new projects (all of equal size). For each of these project, there is a 75% probability that the project will have a 12% return and a 25% that it will have a -9% return. Each of the ...
Your environmental science professor designs an experiment to see whether students in her class care about recycling. She places a recycling bin and a trash bin at the front of the class and then hands out a piece of pap ...
A data firm records a large amount of data. Historically, 1.0% of the pages of data recorded by the firm contain errors. If two hundred pages of data are randomly selected? a. What is the probability that six or more pa ...
According to the national health interview survey, 4.7% of U.S adults 50 and older have had a total knee replacement. A random sample of 20 adults 50 and older has been selected. Use the Poisson distribution to approxima ...
The critical boundaries (Zcrit) for a hypothesis test are z = +1.96 and z = -1.96. If the z-score for the sample data is z = -1.90, then what is the correct statistical decision? A) Reject H1 B) Fail to reject H1 C) Re ...
A binomial process has 892 trails and a probability of success of 0.78. What is the standard deviation of this process distribution?
According to a survey of 25,000 ?households, 55 % of the people watching a special event on TV enjoyed the commercials more than the event itself. Complete parts a through e below based on a random sample of nine people ...
Assume that the car lot contains 25 percent Porches, 35 percent BMWs, and 40 percent Volvos. Of the Porches, 20 percent have navigation systems, 90 percent of the BMWs have navigation systems, and 70 percent of the Volvo ...
Informatics and Financial Applications Background The assignment of a payroll calculator demonstrates Excels ability to automate and present financial calculation information clearly. The ability to build and professiona ...
The Waiting time for a Pizza order is supposed to be no more than 10 minutes. Some complaints have been received that the orders are in fact taking longer than the claimed 10 minutes. A batch of 50 orders was timed and f ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As