Statistics

Probability

Prime Numbers

Top Answer

The probability is 1 out of two.

The primes you can roll are 2,3, and 5.

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0With a standard 6-sided die, the probability of rolling a prime number is 1/2

The probability is 6/36 or 1/6

1 out of 2 if the die is six-sided.

The probability of rolling an even number is 1/2.

There are 36 possibilities when rolling two six sided die. 15 of them result in a prime number (2,3,5,7,11) So the probability is 15 in 36 or a 5 in 12 chance.

The probability of rolling a number less than 1 on a standard 6-sided die is zero. It will not happen.

Assuming that there are an equal number of even and odd faces on the eight-sided die, then the probability of rolling an even number is simply 4 in 8, or 1 in 2, or 0.5.

Assuming that it is a 6-sided die, the answer is 1/3.

Assuming that the faces of the 20 sided die are numbered 1 to 20, then the probability of rolling a number less than 9 is 8 in 20, or 0.4.

The probability of rolling a odd number on a standard die is 3 in 6, or 1 in 2, or 0.5.You don't say with what, so I assume with a standard six sided die. The probability of rolling an odd number with a standard six sided die is 3 in 6, or 1 in 2, or 0.5.

The probability of rolling a particular face in a 12 sided die is 1 in 12, or about 0.0833.

There is always a 1 in 6 chance of rolling ANY number on a six-sided dice, as there are 6 numbers.

The probability of rolling an odd number of a standard die is 3 in 6, or 1 in 2, or 0.5.

Assuming the numbers are 1-6, the probability is 0.

The probability of rolling an 8 is Zero.

A standard six-sided die has 3 even numbers and 3 odd ones, so the probability of rolling either an odd or even number would be 50-50.

If you keep rolling the die, then the probability of rolling a 6 and then a 1 on consecutive rolls is 1.The probability is 1/36 for the first two throws.

The probability of rolling a four on an eight sided octahedron is 1 in 8, or 0.125.

If he's rolling a conventional 6-sided number cube (and it's fair), that's 5 out of 6.

assuming a single six sided die the probability of rolling a three is 1/6

1 in 6 = rolling a 2 5 in 6 = not rolling a 2

The probability of rolling a number on a die is 1 out of the number of sides on the die. So, for a six sided die, the probability of rolling a 4 is 1/6. The probability of rolling a 4 or a 5 becomes 2/6 or 1/3. This is because there are two acceptable outcomes out of six. So when finding the probability of rolling a number less than x on a y sided die, it becomes x-1 / y. It is x-1 because the outcome is to roll less than the number, not less than or equal.

The probability is 5/6 (83.333%).

On a single roll, it is 1/6

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