Nvidia Interview Question | Sum of Dice
Question
You have a fair dice and total 3 chances to roll. What is the probability that the total sum of all the rolls is less than 7?
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Answers ( 2 )
Number of favourable conditions where sum is less than 7 = (1,1,1) -one possible way,(2,2,2)- one possible way,(1,1,2) – 3 possible ways,(1,1,3) – 3 possible ways,(1,1,4)-3 possible ways,(1,2,2)- 3 possible ways,(1,2,3) -3 possible ways
Number of favorable Outcomes= 17
Total number of outcomes = 216
The probability that the sum of roles is less than 7 = 17/216
17/216