Question

You roll 1 die. Find P(the number rolled is not prime). Remember that a prime number is one that can be divided only by itself and 1.

Answer 1

On this event, there's how many numbers you can get?

Answer 2

it doesnt say

Answer 3

What numbers there are on a dice?

Answer 4

1-6

Answer 5

Right, on {1,2,3,4,5,6}, which of them are NOT prime?

Answer 6

prime is a number that only can be divided by one and itself

Answer 7

That's right, what numbers are not prime?

Answer 8

i belive that 1,2,3,5 are prime numbers and 2 and 6 are not

Answer 9

http://primes.utm.edu/notes/faq/one.html

1 is not a prime, 2 is a prime and 6 could be divided by 1, itself, 2 and 3.

Answer 10

1 -> Not a prime
2 -> Prime
3 -> Prime
4 -> Not a prime
5 -> Prime
6 -> Not a prime

Answer 11

so would it be 50%
???

Answer 12

Yes.

Answer 13

thanks