Q13 of 54 Page 320

Two dice are rolled simultaneously and counts are added.

completes the table given below:


when two dices are rolled.

⇒ Number of total outcomes = 6× 6.


⇒ Number of total outcomes = 36.


⇒ Probability =



⇒ Complete table will be –



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 13

Two dice are rolled simultaneously and counts are added.

A student argues that ‘there are 11 possible outcomes 2.3.4.5.6.7.8.9.10.11 and12. Therefore, each of them has a probability Do you agree with this argument? Justify your answer.

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A game consists of tossing a one-rupee coin 3 times and noting its outcome each time. Deskhitha wins if all the tosses give the same result i.e. three heads or three tails. And loses otherwise. Calculate the probability that she will lose the game.