Units 9/10

A card is drawn at random from a standard deck of 52 playing cards. What is the probability that the card is black or a face card? Hint: a face card is a king, a queen, or a jack.

Tasha’s bowl contains 4 red, 6 green and 3 brown candies. She randomly chooses and keeps 3 candies from the bowl. What is the probability she will choose all brown?

A class tossed coins and recorded 68 heads and 72 tails. What is the experimental probability of tails?

A number cube is rolled and a coin is tossed. What is the probability of rolling a 5 and tossing tails?

You flip a coin three times. What is the probability that at least one of the outcomes will be tails?

A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a black marble followed by a red marble?

A jar contains 40 red marbles, 30 blue marbles, and 35 white marbles. You choose a marble from the jar at random. What Is the theoretical probability of choosing a blue marble?

Adam goes to the grocery store to buy cereal. The shelves contain 9 boxes of Brand A and 6 boxes of Brand B. He selects one brand at random & then puts it back. Another person does the same thing. What is the probability they both selected Brand A?

Two number cubes are rolled. What is the probability of rolling a sum of 9 or a sum that is even?

Events A and B are independent. Find the indicated probability.

P(A) = 0.3, P(B) = 0.5, P(A and B) = ?

Events A and B are independent. Find the indicated probability.

P(A) = ?, P(B) = 0.9, P(A and B) = 0.45

You roll a number cube. What is the theoretical probability of rolling a number greater than 4?