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A survey of 85 families showed that 36 owned at least one DVD player. Find the 99% confidence interval estimate of the true proportion of families who own at least on DVD player.
Statistics and Probability, Statistics
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A college offers 2 introductory courses in history, 3 in science, 4 in philosophy, 4 in mathematics, and 5 in English. If a freshman takes one course in each area during her first semester, how many course selections are ...
Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion.
A perpetuity pays $4300 at the end of every month for 11 months of each year. At the end of the 12th month of each year, it pays double that amount. If the effective ANNUAL rate is 9%, what is the present value of this p ...
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According to the Polk Company, a survey of households using the Internet in buying or leasing cars reported that 81% were seeking information about prices. In addition, 44% were seeking information about products offered ...
Acme Airlines flies airplanes that seat 20 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they book ...
1. The consultants estimated the required rate of return was 13.635% 2. The Beta of Poorside's equity was 0.7, the market return was 20% and the risk-free rate was 12% 3. The interest rate on debentures was 13% per annum ...
A food safety guideline is that the mercury in fish should be below 1 part per million? (ppm). Listed below are the amounts of mercury? (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 9 ...
The researchers stated that there were no significant differences in the baseline characteristics of the intervention and control groups. Are these groups heterogeneous or homogeneous at the beginning of the study? Why i ...
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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
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