Question
1.Let X be a continuous random variable with the probability density function f(x)=k \cdot \sqrt{x}, \quad 0 \leq x \leq 4 \begin{aligned} & f(x)=0, \\ & \text{^^20otherwise.^^20}\end{aligned} a)What must the value of k be so that f(x) is a probability density function? b)Find the cumulative distribution function of
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