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Let X be a random variable with distribution function Fx(x), and a,b in real. Let Y be the random variable that satisfies Y=aX+b. Express the distribution function of Y, Fy(x), in terms of Fx(x).
Analyze separate cases a>0, a<0, a=0.
Do not assume that X is discrete nor continuous R.V.
Calculate the profit earned/loss incurred on; a high performance tire that exceeds 40,000 miles, a high performance tire that does not exceed 40,000 miles.
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance α using the given sample statistics.
The GMAT scores from a sample of 50 applicants to an MBA program indicate that none of the applicants scored below 450. A frequency distribution was formed by choosing class intervals 450 to 499, 500 to 549, and so on, with the last class having a..
amandas bicylce lock can be opened when 4 different levers are placed opposite their correct digit. each lever can be
a well insulated piston-cylinder device with a free floating piston contains 1 kg of a 25 quality saturated misture of
a study is being planned to estimate the mean number of semseter hours taken by students at a college. the population
compare the means of the following sets of yield data from catalysts aampb. determine if we can state the mean yield of
the mean gross annual incomes of certified welders are normally distributed with the mean of 20000 and a standard
The company can alter the standard deviation. Use a sketch to decide how the company can proceed if they want to reduce this proportion by changing the standard deviation.
If one item is chosen at random, determine these probabilities. It is a TV
Using the 0.05 level of significance, is there evidence that the population mean is above $300? What is your answer in (a) if s = $90 and the 0.10 level of significance is used?
a student in the concrete lab places 6 low strength concrete test cylinders 3500 psi with a batch of 9 high strength
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