Test Index

Probability

Question : 116 of 127

Marks: +1, -0

Solution:

Concept:

Probability = (Number of favorable outcomes) / (Total number of possible outcomes).

Explanation:

When two dice are thrown, total possible outcomes =

6 \times 6 = 36

We need sum

= 9

The favorable pairs are:

(3,6), (4,5), (5,4), (6,3)

— total

4

outcomes.

Thus, probability =

\frac{4}{36} = \frac{1}{9}

Answer:

\frac{1}{9}

, which corresponds to option A.

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