Construct a probability distribution and show your complete solution

Eric teaches ceramics in his studio. He estimates that one 20% people who call for information about a class will sign up for the class. Last week he received nine calls. Find the probability that two of the people will sign up for class?

Orson performs 7 exercises over the span of a week. 5 of his exercises involve skipping rope. If he randomly chose 4 exercises to do on Monday, what is the probability that all of them involve skipping rope? Write your answer as a decimal rounded to four decimal places.

Imagine that you ask a friend to choose a card from a standard deck of cards. He chooses the card, then tells you that it is not a face card. Determine the probability that your friend is holding a 5. Submit your probability and all of your solution methods to earn full credit.