Find the probability of each event in each experiment
1. a card is drawn at random from a well-shuffled 52-card deck. Find the probability of each event.
a. A heart
b. A face card
2. A jar contains 12 blue marbles, 6 green marbles, and 10 red marbles.
a. what is the probability that if 2 marbles are selected at random, both are blue.
b. what is the probability that if 2 marbles are selected at random, neither is green
3. A 3 digit ID number consists of numbers 1-9. Repetition in selecting a number for the ID is not allowed.what is the probability of choosing at random a 3-digit ID number consisting of only prime numbers