If frac{2}{11} is probability of an event, probability of event ' not A ^{prime} .

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14.Probability

easy

If $\frac{2}{11}$ is the probability of an event, what is the probability of the event $'$ not $A ^{\prime}$.

A

$\frac{9}{11}$

B

$\frac{9}{11}$

C

$\frac{9}{11}$

D

$\frac{9}{11}$

Solution

It is given that $P ( A )=\frac{2}{11}$

Accordingly, $P ($ not $A )=1- P ( A )=1-\frac{2}{11}=\frac{9}{11}$

Standard 11

Mathematics

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