Please help Explain what it means for an event to have a theoretical probability of 0.25 and an experimental probability of 0.3

You choose two different songs on a music playlist at random. Out of 80 songs on the playlist, 36 are hip hop songs. The first song you choose is a hip hop song. What is the probability that the second song is also a hip hop song? Explain your reasoning.

You randomly choose a number from 1 to 5 and a letter from A to D. Find the total number of possible outcomes

You randomly choose a number from 1 to 5 and a letter from A to D. Find the total number of possible outcomes