CBSE Class 10 Maths (Standard) 2015 · Paper 30(B) · Question 30

Probability 4 marks Medium

Two different dice are thrown at the same time.

(i)Write down all the possible outcomes.
(ii)Find the probability that the sum of the two numbers appearing on the two dice is $8$ .

Answer

(i) All 36 ordered pairs

(a, b)

with

a, b \in {1, 2, 3, 4, 5, 6}

; (ii)

P (sum = 8) = \frac{5}{36}

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