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1. Researchers tested farm-raised salmon from two different farms for organic contaminants. One measure they collected was the concentration of the carcinogenic insecticide mirex (parts per million).
A. Besides random samples and independent observations, list any relevant assumptions and whether or not they have been met.
B. Carry out the appropriate test to determine if the mirex concentration in the salmon from these two farms are the same, on average. Assume equal population variances. Write the hypotheses, define the parameters of interest, conduct the test, and write your conclusion.
wade retail looked at a random sample of 100 invoices from a large population. eight of these contained an error. what
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What decision would an optimist make? Why?
Three times each year, the procurement manager at Phoenix contacts National\'s marketing department to place a monthly order for each of the coming four months.
The owner of a local casino. Recently, the operations department proposed to introduce one new gambling game. There are two options. The probability distributions of payout (i.e., the money player will win) for a player in the two options are ..
1 the average score for male golfers is 95 and the average score for female golfers is 106 golf digest april 2006.
Suppose the random variable x is best described by a normal distribution with µ = 24 and σ = 2.7. Find the z-score that corresponds to each of the following x values.
1. you have obtained a sub-sample of 1744 individuals from the current population survey cps and are interested in the
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At 1 excavation site 8641 pot shards have been found that have not presently been cleaned also identified. Define the probability.
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