Posted by **Rmz** on Friday, January 8, 2010 at 7:19pm.

Consider the experiment involving rolling a single die once.

What is P(even and Prime)?

I do not know how to start this can anyone help?

- math 157 -
**Marth**, Friday, January 8, 2010 at 7:23pm
Which possibilities are both even and prime? Divide that by 6, the number of possibilities for a standard die.

- math 157 -
**Rmz**, Friday, January 8, 2010 at 7:40pm
Would they both be 1/2?

- math 157 -
**Marth**, Friday, January 8, 2010 at 7:41pm
P(even and prime) means the probability of rolling a single number that is BOTH even and prime. You found P(even) and P(prime) separately.

- math 157 -
**Rmz**, Friday, January 8, 2010 at 7:47pm
so, because there are the same amount of even and odds wouldnt that make it a 1?

- math 157 -
**Marth**, Friday, January 8, 2010 at 7:57pm
The only number that is both even and prime is 2. That is 1 possibility out of 6.

- math 157 -
**Rmz**, Friday, January 8, 2010 at 7:59pm
Oh.... I understand and see that now.

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