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Mathematics 11 Online
OpenStudy (anonymous):

You roll 2 dice. What is the probability that the sum of the dice is prime and both dice show the number 6? Is it 1/36?

OpenStudy (anonymous):

0

OpenStudy (anonymous):

12 is not a prime number

OpenStudy (anonymous):

so this events are excludents

OpenStudy (anonymous):

\[P(A \Omega B)=0\]

OpenStudy (anonymous):

where A Sum is prime and B two faces six

OpenStudy (anonymous):

yeh Raphael is right.

OpenStudy (anonymous):

If both dice need to show number 6, then the sum of the two dice is 12. 12 is NOT a prime number because it can be divisible by 2, 3, 4, 6, etc. Therefore, the probability is 0. :)

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