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Lenin
Questions (3)
On each of four cards, a different positive integer greater than 1 but less than 20 is written. Exactly 3 of the numbers are
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If p^1/3 = (8x)^1/6, x^-1/2 =4^-1/4, and 4y = |p-8|, what is the value of y?
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The random variable X has probability density function f(x)={ax+bx2 , 0<x<1 . If E(X)=0.6 , find (a)P(X<1/2) and (b)var(x)
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