MCQ
If P(E) denotes the probability of an event E, then E is called certain event, if
- AP(E) is either 0 or 1
- BP(E) = 0
- CP(E) = 1
- D$P ( E )=\frac{1}{2}$Z
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($A$) $f\left(\frac{1}{2}\right) \geq f(1)$
($B$) $f\left(\frac{1}{3}\right) \leq f\left(\frac{2}{3}\right)$
($C$) $f^{\prime}(2) \leq 0$
($D$) $\frac{f^{\prime}(3)}{f(3)} \geq \frac{f^{\prime}(2)}{f(2)}$