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Probability Distribution

If the range ...

Question

If the range of the random variable X is from $a$ to $b$ then $F (X \leq b)$ is

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0.5

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Solution

The correct option is B 1
If the range of the random variable X is from a to b then
$F (X \leq b) = P (X \leq b) = P (X = a) + . . . . + P (X = b) = 1$
Total sum of probability of every variable X is equal to 1.

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