# Math Help - Discrete random variables question.

1. ## Discrete random variables question.

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Possible answers: 0.25, 0.35, 0.5, 0.75, 0.85

Help me please

2. Originally Posted by smallfry
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Possible answers: 0.25, 0.35, 0.5, 0.75, 0.85
$Pr(X>k)=1-F_X(k).$

3. Thanks bro, I got the answer! They never told us anything about that kind of notation in class.