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Q: When rolling three number cubes what is the probability of rolling a 5a number less than 3and an even number?

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If the number cubes are standard dice cubes, the odds of rolling 3 ones is 1 in 216.

The first roll doesn't matter for probability, it just sets the number to be rolled by the other two. So: P(rolling the same number three times) = P(rolling a particular number)2 = (1/6)2 = 1/36

The probability is 1/36

2/6 or 1/3 or 0.3333.

The probability of rolling an odd number is 3/6 (or rather, 1/2), so the probability of rolling an odd number three times in a row is 1/2^3 is 1/8 or 12.5%.

With one roll of three dice, the probability is 7/8.

The probability of of rolling three ones on three dice is (1 in 6)3, or 1 in 216, or about 0.004630.

1/8

2/6

Three out of six which reduces to one half.

The probability that, when rolling three dice none will come up odd is broken down by the probability that on odd roll will occur as an independent event. Rolling the first die has a probability of 3/6 that it will be odd. Rolling the second has the probability of 3/6 that it will be odd. Rolling the third has a probability of 3/6 will be odd. Rolling three and coming up with odd is really the probability that no odd numbers occurred, so therefore an even number DID happen (3/6), and an even number DID happen (3/6), and an even number DID happen (3/6). That's really just 1 - (3/6^3) or simplified 1 - (1/2^3). So therefore the probability that an odd number occurred in 3 die rolls is about 87.5%.

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