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1. A survey found that the average hotel room rate in new orleans is 88.42 and the average room rate in phoenix is 80.61. Assume that the data was obtained from two samples of 50 hotels each and that the standard deviations were 5.62 and 4.83 respectively. At alpha=.05, so it can be concluded that there is a significant difference in rates?
2. Find the critical value for a right-tailed F-test when alpha=.05 the degrees of freedom for the numerator (d.f.N.) are 15, and the degrees of freedom for the denominator (d.f.N.) are 21.
3.Find the critical value for a two tailed F-test with alpha=.05 when the sample size from which the variance for the numerator was obtained was 21 and the sample size from which the variance for the denominator was obtained 12
A monthly report to the Texas Department of Health, division of Water Hygiene, contained the following water production data in thousands of gallons:
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Identify each of the random variables as continuous or discrete.
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A study has been made to compare the nicotine contents of two brands of cigarettes. Ten cigarettes of Brand A have an average nicotine content of 3.1 milligrams with a standard deviation of .5 milligrams
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What is the probability that a randomly selected automobile manufactured by the company will have a defective microprocessor?
The difference between expected payoff under certainity and expected value of the best act without certainity is the expected:
Eagle airlines' planes hold only 15 people. Past records indicate that 20% of the people making a reservation do not show up. We will assume that all reservations are independent; that is each reservation is for one person and these reservations a..
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