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You are to gather a systematic sample from a local phone book with 75,000 names. If every kth name in the phone book is to be selected, what value of k would you choose to gather a sample size of 500?
Statistics and Probability, Statistics
Imagine that I had two drugs, X and Z. I administered the drugs to people with sleep difficulties for one month. The mean amount of sleep difficulties reported in the drug X group in the past month was 3.44 (SD = 2.34) a ...
The length of time needed to complete certain test is normally distributed with mean 74 minutes and standard deviation 17 minutes. Find the probability that it will take more than 70 minutes to complete the test. 0.7035 ...
Next time you see an elderly man, check out his nose and ears! While most parts of the human body stop growing as we reach adulthood, studies show that noses and ears continue to grow larger throughout our lifetime. In o ...
Suppose that a certain college class contains 55 students. Of these, 31 are sophomores, 28 are history majors, and 6 are neither. A student is selected at random from the class. (a) What is the probability that the stude ...
The average, or "par" score for an 18 hole golf course is 72. The score is computed by counting the number of swings, or "strokes" a player must make with their club to hit the ball into each of the 18 holes on the golf ...
Explain the difference between profit and shareholder's wealth maximization and, which of two should be goal of a business?
A? BBB-rated corporate bond has a yield to maturity of 12.8 %. A U.S. treasury security has a yield to maturity of 11.4 %. These yields are quoted as APRs with semiannual compounding. Both bonds pay? semi-annual coupons ...
An independent-measures study has one sample with n = 10 and a second sample with n = 15 to compare two experimental treatments. What is the df value for the t statistic for this study?
Average sales for an online textbook distributor were $74.67 per customer per purchase. Assume the sales are normally distributed. If the standard deviation of the amount spent on a textbooks is $9.49, find these probabi ...
1940 randomly selected adults were asked if they think they are financially better off than their parents. The following table gives the two-way classification of the responses based on the education levels of the person ...
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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