Test Index

Probability

Question : 126 of 127

Marks: +1, -0

P(A)=\frac{4}{9};

then the odd against the event 'A' is

Solution:

Concept:

Odds against an event = (Probability of failure) : (Probability of success).

Explanation:

Given

P(A) = \frac{4}{9}

Probability of not A:

P(\bar{A}) = 1 - \frac{4}{9} = \frac{5}{9}

Odds against A =

P(\bar{A}) : P(A) = \frac{5}{9} : \frac{4}{9} = 5:4

Answer:

The odds against A are

5:4

, which corresponds to option C.

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