Unformatted text preview: X • (2.5 points) What is the standard deviation of X • (2.5 points) Determine the value x so that X is greater than x 80% of the time P(X>x) = 1 F(x) = 0.8, F(x) =0.25x+0.5= 0.2, x=1.2....
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 Spring '09
 NegarKayavash
 probability density function, Cumulative distribution function, AD Number________ Name_________________________

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