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Explain some of the differences between the method of distribution functions, the transformation method for finding the probability distribution of a function of random variables, the moment-generating function method for finding the probability distribution of a function of random variables.
A financial advisor has recommended two possible mutual funds for investment: Fund A and Fund B. The return that will be achieved by each of these depends on whether the economy is good, fair, or poor.
A report states that 73% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 0.03 with 98% confidence?
Create a histogram of the final fund values. Based on your simulation results, which of the two strategies would you recommend? Why?
Make up the ages of a group of participants who are freshman, sophomores, juniors, and seniors. You will need the age of 10 participants across each level.
The minimum sample size needed in order for the union to be confident that its estimate is within of ? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about .
Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively.
A company is conducting a survey of 235 people to measure the level of interest in a new product. Assume that the probability of a randomly selected person's being "very interested" is 0.88
Suppose that a study based on a sample from a targeted population shows that people at a pizza restaurant are hungrier than people at a coffee shop. make an interference based on the results of the study.
the following question was put on a questionnairewhat was your last salary?a 0 -10000b 10001 - 20000c 20001 - 30000d
Mike hears the weather forecast, and there ia a 50 percents chance of rain.Find the probability that he will have to work overtime given taht it rains.
Sketch a graph and shade the area of interest. SCores on a standardized exam are normally distributed with u = 60 and o = 5.
What is the probability that at least one of the alternations is discovered? Find the expected value and variance of the number of altered accounts discovered during the audit.
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