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Suppose you roll 2 dice. what is the probability that you will roll a 3 or 5?
The probability that you roll a 3 or a 5 on one or both dice is 20/36 = 5/9
What is the luckiest number if you roll 3 dice?
2 ? :D
What is the probability of rolling a number above 3 on a dice?
On a fair die the probability is 1 (a certainty). The probability of it happening on a single roll is 0.5==========All answers below assume a single roll using unbiased 6 sided die/dice (as may boardgamers and RPG players are aware, there are 4, 8, 10, 12, and 20 sided dice easily available too)For 1 die, the probability is 3/6 = 1/2 (3 ways to roll higher than 3 and six possible rolls)For 2 dice it is 33/36 = 11/12 (36 possible combinations, of which 33 are more than 3)For 3 dice it is 215/216 (216 possible combinations with one - 1,1,1 - not being greater than 3)For 4 or more dice your probability is 100% since the lowest you can roll is all 1's which would add up to the number of dice - which will be greater than 3 if the number of dice is greater than 3.
What is the probability that you roll a square number when you roll an ordinary fair 6 sided dice?
It is 1/3.
What are the odds of rolling all 3s if you roll 3 dice?
1 in (6*6*6) or 1 in 216 or about 0.46%
