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Probability based on deck of cards.
Find out the probability of getting 4 consecutive aces when four cards are drawn without replacement from a standard deck of 52 playing cards.
Statistics and Probability, Statistics
Two fair dice are rolled. Let one of the dice be red and the other green so that we can tell them apart. Let be the sum of the two values shown on the dice and be the difference (red minus green) of the two values shown ...
Question: Romia is a small, closed economy that produces pianos. Currently the domestic demand for pianos in Romia is given by the equation P = 2000 – 2Q while the domestic supply for pianos in Romia is given by the equ ...
Suppose two random variables X and Y are both zero mean and unit variance. Furthermore, assume they have a correlation coefficient of P . Two new random variables are formed according to: W = aX + bY, Z = cX + dY. Deter ...
Let X be a Gaussian random variable and let Y be a Bernoulli random variable with Pr(Y=1) = p and Pr (Y=-1)= 1-p. If X and Y are independent, find the PDF of Z=XY. Under what conditions is Z a Gaussian random variab ...
Independent samples are taken of a random variable X . If the PDF of is uniform over the interval and zero elsewhere, then approximate the density of the sample mean with a normal density, assuming the number of sample ...
Consider a game of Nim in which the players have some number of chips in their pockets. A legal move is either one of the usual legal moves of Nim, or involves moving some positive number of chips from the player's pocke ...
The average age of a part-time employee at a ski resort has historically been 37 years. A random sample of 50 part-time employees in 2011 had a sample mean age of 38.5 years with a sample standard deviation of 16 years. ...
Describe the differences between correlations and regressions. For these next three general questions, consider how we used the jargon of dependent and independent variable in College Algebra. Which would be the indepen ...
Quesion: In Boomtown government officials are considering implementing an excise tax on the producers of tennis balls. They have called you in to analyze the impact of this proposed tax. Currently (before the excise tax) ...
Under what condition might you prefer to use the median rather than the mean as the best measure of central tendency? Explain why
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A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf
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QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno
Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise
Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate