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A piecewise-linear cumulative distribution, function associated with the data values 1, 2, and 9 can be...

A piecewise-linear cumulative distribution, function associated with the data values 1, 2, and 9 can be found by connecting the points (1,0), (2,, 1/2), and (9,1) with lines. Find

a: the population mean

b: the population variance

c: the moment generating function

of the random variable associated with this piecewise-linear cumulative distribution

Math   Statistics-And-Probability   
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