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total numbers taht can be occure=1,2,3,4,5,6
Prime number taht can occure in a roll= 2, 3,5
total sample space= n=6
total faverable cases= m=3
P(prime number)=m/n=3/6=1/2
probability of rolling a prime number is 1/2
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What is the probability of rolling an even number or prime number on a number cube?
The probability of rolling an even number on a die is 3 in 6 or 1 in 2. The probability of rolling a prime on a die is 3 in 6 or 1 in 2, but one of those primes is also even. Simply add the probabilities and you find that the probability of rolling an even number or a prime on a die is 5 in 6.
What is the faction of rolling a prime number?
With a standard 6-sided die, the probability of rolling a prime number is 1/2
What is the probability of rolling a prime number with one roll of a number cube?
1/6
What is the probability of rolling an even prime number with one roll of a die?
Since there is only one even prime, 2, the probability of rolling a 2 with one die is 1 in 6.
A six sided die is rolled once what is the probability of rolling a prime number?
1 out of 2
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