Question

PLEASE HELP ME!
A box P contains five cards labeled with numbers 1, 2, 4, 5, 7 and a box Q contains five cards labeled S, I, H, A, T. A card is chosen random at boxes P and Q respectively. Verify conjecture about the formula of probability of getting prime number and a vowel letter by listing all the possible outcome. ​

Answer 1

Not sure about the question, but answer is:
3/5* 2/5 = 6/25=0.24 =24%