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1. Why do we want to assume that our sample data represent a population distribution?
2. What are the differences between the binomial and normal distributions?
Statistics and Probability, Statistics
How do you calculate conditional probability for behaviors in applied behavior analysis?
A researcher working at a particular company wants to know if workers' health would improve if they were given extra days 'off. In this company, all workers undergo a standard physical exam twice a year and after each ex ...
Question: In one law school class the entering students averaged 700 on the LSAT test with a standard de-viation of 40. Assuming the distribution of test scores was normal, what fraction of the class scored above 750? Th ...
Ann and Bill play rock-paper-scissors. Each has a strategy of choosing uniformly at random out of rock, paper, and scissors every round (making independent selections each round). Each round can end in a win, loss, or a ...
Leibniz sells you an annuity that pays $1,500 every month from the end of September 2018 to the end of August 2022 with annual interest rate 7% compounded monthly. (round off all answers to two decimal places) (a) What i ...
In a sample of 12 kids, their mean time on the internet on the phone was 3.9 hours with a standard deviation of 0.7 hours. Which distribution would be most appropriate to use?
A running shoe company wants to sponsor the fastest 3% of runners. You know that in this race, the running times are normally distributed with a mean of 6.8 minutes and a standard deviation of 0.37 minutes. How fast woul ...
One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples?
How do you calculate true population proportion if your defective sample is too small? For example, if you have 50 and defect is 4. Please look below for more details
A basket contains 5 bananas and 5 apples. Each of ten people picks two fruits at random from the basket without replacement. (a) What is the probability that the first people picks one apple and one banana? (b) What is t ...
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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