IfP(E) denotes the probability of an event E , then E is called certain event if:

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IfP(E) denotes the probability of an event $\mathrm{E}$, then $\mathrm{E}$ is called certain event if:

MathematicsProbabilityNDANDA 2012 (Phase 2)

Options:

A $\quad \mathrm{P}(\mathrm{E})=0$
B $\mathrm{P}(\mathrm{E})=1$
C $\mathrm{P}(\mathrm{E})$ is either 0 or 1
D $\mathrm{P}(\mathrm{E})=1 / 2$

Solution:

1826 Upvotes Verified Answer

The correct answer is: $\mathrm{P}(\mathrm{E})=1$

Prob. (certain event) $=1$ $\Rightarrow \mathrm{P}(\mathrm{E})=1$

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