An urn contains 3 red and 5 yellow balls. Two balls are selected without replacement. What is the probability that a. The first ball is red and the second is yellow? b. Both balls are red? c. At least one of the balls is yellow?

64% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.

5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are black, and he randomly picks which four to pack, what is the probability that he packs the four black ones?

You have a fair, well-shuffled deck of 52 cards. You draw one card, then draw another card.Find the probability that you get a Queen on the first draw and a Queen on the second draw(provide the answer as a fraction)a. With replacementb. without replacement