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Competitive Stats
Q36Section B (Section B)36 of 60

Probabilities and mean from a step distribution function

The cumulative distribution function of a random variable XX is given by

F(x)={0,x<0, 49,0≤x<1, 89,1≤x<2, 1,x≥2.F(x)=\begin{cases}0, & x<0,\ \frac49, & 0\le x<1,\ \frac89, & 1\le x<2,\ 1, & x\ge2.\end{cases}

Which of the following statements is (are) TRUE?

Multiple select: one or more options are correct. Select all of them, then submit — marks need the exact set.

Options

Select every correct option, then submit.