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The probability density function (pdf) of X is given by
f(x) = (1-x/2 if 0 ≤ x < 2
(0 otherwise
a. Verify that that f(x) is a legitimate pdf.
b. Sketch the graph of the pdf function
c. Find the distribution function of X and sketch the graph.
d) Compute P(1 e) Find the expected value and the variance of X
e) Find the expected value and the variance of X
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log4(4/16x+4)=54
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1) A certain brand of batteries has a lifetime that has a normal distribution with a mean of 3,800 hours and a standard deviation of 390 hours. b) What lifetime should the manufac
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CBT has agreed to finance the needs of a stereo wholesaler for the next month. To complete the loan agreement, the wholesaler must estimate the cash on hand during the first 90 day
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