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The cumulative distribution function for a random variable X is F(x)= 0 if x less than...

The cumulative distribution function for a random variable X is F(x)= 0 if x less than or equal 0, or F(x)=sinx if 0 is less than x is less than or equal to pi/2 , or F(x)= 1, if x is greater than pi/2 . (a) find P(0.1 less than X less than 0.2. (b) find E(x)

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