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Determine the value of c so that the following functions represent joint probability distributions of the random variables X, Y a:f(x,y) = cxy for x = 1,2,3; y=1,2,3 b) f(x,y) ' c|x-y|, for x=-2,0,2; y= -2, 3
Let Y be the number of envelopes for which the machine fails to remove a check. Using the Central Limit Theorem to approximate P{Y≤10}.
let x be a random variable with probability density function fxx 2e?2x for x gt 0.c let y be an independent random
Determine the range, variance, and standard deviation for sample data and find the minimum number of visits required receive a gift.
The smallest quantity in a cell is minus 35, but two different cells with minus signs have 35 units in them. What problem will this cause and how should this difficulty be resolved?
the equation for a regression line predicting the numbers of hours of tv watched by children y from the number of hours
a fair coin is repetitively tossed 2n times n is very large. what is the probability for the number of heads to be in
A manufacturing company has three factories: X, Y, and Z. The daily output of each is shown here. If one item is selected at random, find these probabilities. It is a TV
Let A, B, C be three events such that P(A) = 0:5, P(B) = 0:6, P(C) = 0:8(a) Can any two of these events be mutually exclusive? Explain your conclusion
Suppose there are two elementary schools in a county. One school (A) loans all its students a laptop computer for use in classes. The other (B) does not
Is spine bone density is normally distributed in young women with a mean of 1.0 g/cm 2 and a standard deviation of .10 g/cm 2 , then how many young women out of 100 would you expect to have bone densities less than .85 g/cm 2 ?
Investment A has an expected return of $25 million and Investment B has an expected return of $5 million. Market risk analysts believe the standard deviation of the return from A is $10 million
Create and apply the equation that would best allow you to compare the performance of the sources - What is the total cost of the item plus sales tax?
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