Can someone check me on this?

You have a standard number cube.

What is the probability of rolling a number less than 3, and then rolling a prime number?

1/3
1/2
1/36
1/6

Question

Can someone check me on this?

You have a standard number cube.

What is the probability of rolling a number less than 3, and then rolling a prime number? 







1/3
1/2
1/36
1/6

anonymous · Answer

I put 1/6

anonymous · Answer

probability of rolling a number less thatn 3 = 2/6
probabilyty of rolling a prime number = 4/6
so the probabilty that the problem is asking for is (2/6)*(4/6)

anonymous · Answer

i got 2/9

anonymous · Answer

that is no in ur options, i dont know where i made the mistake

anonymous · Answer

i search for this exercise in the web and they get the same result http://answers.yahoo.com/question/index?qid=20101206014111AACNoCo

anonymous · Answer

since its a number cube the denominator would be 6

anonymous · Answer

when it says a number less than three, does it also count the three?

raden · Answer

the prime numbers = {2,3,5}, there are 3  events
so, should the probability of rolling a prime number = 3/6 = 1/2

raden · Answer

therefore, it is 1/3 * 1/2 = 1/6

anonymous · Answer

Thank you so much @RadEn

raden · Answer

you're welcome :)

anonymous · Answer

wait a minute 
so the 1 is not a prime number?

anonymous · Answer

wow!
 the 1 is not a prime number