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Determine confidence intervals for each of the following:
a. Mean = 150, s = 30, sample size = 200, confidence level = 95%
b. Percent = 67%, sample size = 300, confidence level = 99%
If 200 passengers take this flight, find the binomial and Poisson probability of no platinum flyers (round your answer to 4 decimal places).
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Test the claim at alpha-.05 that the average wage has not changed by finding the p-value for the test.
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Under what situations on lambda1 and lambda2 will this system have the steady state distribution? Describe your answer.
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Assume gasoline prices for a region are normally distributed. Do the data you obtained provide enough evidence to reject the claim?
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