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Suppose that X and Y are independent random variables with EX=EY=100, and E[min(X, Y)}=79. Find EX-Y), (the mean of the absolute value of X-Y).
the probabilities of blood types o a b and ab in western populations are 0.46 0.39 0.12 and 0.03 respectively. suppose
In how many ways can a committee of 6 members be selected from out of these 12? Find the probability that a random committee contains all males?
How many commuters must be randomly selected to estimate the mean driving times of Chicago commuters? If we want 99% confidence that the sample mean is within 2 minutes of the population mean, and the population standard deviation is known to be 1..
The term structure is flat, and all spot rates are 3%. What is the modified duration of your portfolio?
Smoking on campus. suppose 20% of the students on campus smoke. you select two students at random. In what percentage of samples will both students be smokers?
Calculate the MSE for db(x) as a function of the choice b. Find the value of b (depending on n) that minimizes the MSE.
Your company manufactures low calorie frozen dinners. The advertised calorie content is 200 calories. A consumer activist group, FACT: fat and calories tribunal, is claiming that your product is not consistent.
Assume the population proportion is to be estimated from the sample described. Find the approximate margin of error and the? 95
The U.S. trade deficit with Canada (billions of dollars) from 2000 through 2007 is reported as shown in the table. Using exponential smoothing and the smoothing constant a = 0.7, what deficit would have been forecast for 2008? Source: World Almanac..
Monte Carlo sampling makes the assumption that all parameters of an alternative are: A. Independent B. Dependent C. Equal to 1.0 D. Probability distribution
What pair of hypotheses should you test in order to answer this question?
STAT201A Assessment - Case Analysis. In general, the board would be interested in how sales are distributed across outlets, how profits are distributed, and where the major growth areas are
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