two diceone grey and one red, are thrown at the same time. whats is the probability that the sum of the two numbers appearing on the top of the number dice is (1) 8? (2) less than or equal to 12?
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Step-by-step explanation:
(i) 8
Total number of outcomes =36
Probability that sum of two numbers is 8 =
Total no. of outcomes
No. of outcomes where sum is 8
=5/36
(ii) Less than or equal to 12
Total number of outcomes =36
Probability that sum of two numbers is less than or equal to 12 =
Total no. of outcomes
No. of outcomes where sum is less than or equal to 12
= 36 /36
=1
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