Can someone help me with this?

1 Answer
Apr 23, 2018

See below

Explanation:

Each coin can be head or tail and the cube has the numbers 1 to 6
So you have #6xx2xx2=24# possible outcomes

1HH 2HH 3HH 4HH 5HH 6HH
1TH 2TH 3TH 4TH 5TH 6TH
1HT 2HT 3HT 4HT 5HT 6HT
1TT 2TT 3TT 4TT 5TT 6TT

Prime numbers are 2, 3 and 5

2HT 3HT 5HT
2TH 3TH 5TH