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Water specimens contain nitrates, a solution that is dropped into the water will cause the specimen to turn red 95% of the time. When used on water specimens without nitrates, the solution turns the water red 10% of the time. Past experience in the lab indicates that nitrates are contained in 30% of the water specimens that are sent to the lab for testing. If a water specimen is randomly selected
1. from among those sent to the lab, what is the probability that it will turn red when tested?
2. and turns red when tested, what is the probability that it actually contains nitrates?
the pdf for 3 parameter frechet distribution is ltbrgtfxa?a x-?-a-1 exp-x-?-a ltbrgtthen how we can prove the cdf for
The HR department at a certain company was asked to develop a financial planning model that would help employees address how much their portfolios would be worth in 10 years, 20 years, and when they retire. John was asked to lead this effort a..
Determine whether the variable of interest has a binomial distribution.
4. A simple random sample of 300 items is selected from a large shipment, and testing reveals that 4% of the sampled items are defective. The supplier claims that no more than 2% of the items in the shipment are defective. Carry out an approp..
An auto insurance company classifies policy holder
the initial research proposal will consist of the following six items1. identify a business research topic2. define the
Can telling yourself during exercise that youre not as tired as you think you are help you work out longer and achieve more benefit from your exercise? Researchers from the University of Kent in Canterbury, England published results in the Jour..
Calculate the mean yearly value using the average gas prices by month found in the Final Project Data Set. What is the slope of the linear regression line and what is the Y-intercept of the linear regression line
Researchers want to know whether, the variation in the population of trap-spacing measurements, is larger than 10 m2. They will conduct a test of hypothesis using α = 0.05. a.) Note that s2 > 10. Consequently, a fisherman wants to reject the null hyp..
Explain the methodology you will use to answer the question you posed. Your explanation should include answers to the questions - What is the variable of interest?
advertising for this variable each student must fill in the table with whatever random values each student wants.
Assuming that you sample without replacement, select all possible samples of n = 2 and construct the sampling distribution of the mean. Compare the mean of all the samples means and also compute the population mean. Are they equal? What is the proper..
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