This question went completely over my head and I need it explained as to how #4 is the correct answer. Thank you!

63. A breeder of rare mice produced a group of mice with the following characteristics: haired mice). . 60% of all the mice were long-haired mice. Denote this by H (the remaining were short- . 25% of all mice were white. Denote this by W (the remaining were black). . 20% of all mice were long-haired white mice. The breeder is interested in finding what proportion of the long-haired mice were white. determined? To determine the percent of the long-haired mice that were white, what needs to be YOUR CORRECT ANSWER ANSWER P(H) P(W) P(H I W) YOUR CORRECT ANSWER ANSWER P(WIH) P(H and W)