1: A card is drawn and replaced 3 times from a 52-card deck. Find the probability that:
A: 2 hearts were drawn
b: at least 1 heart was drawn.
2: A box contains 3 red and 2 white marbles. A marble was drawn and replace 3 times. Find the probability that:
A: 1 red was drawn
3: An unprepared student takes a 5-question true and false quiz and guesses every answer. Find the probability that the student will pass the quiz if at least 4 correct answers is the passing grade