Compound Probability

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent
• Dependent

A coin is tossed and a number cube is rolled. Find the probability, P(heads and 6).

• 1/12

• 1/2

• 0

• 1/7

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

• 1/5

• 5/6

• 1/6

• 6/5

A standard die is rolled twice. Find each probability.

P (odd both times)

• 1/2

• 1/4

• 2/3

• 1/9

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, replacing it, and then picking a green pen?

• 1/2
• 4/11
• 1/6
• 2/3

An event that consists of two or more events

•  event
• dependent events
• experiment
• compound event

A bag contains 7 red marbles and 4 blue marbles. You randomly pick a marble and then pick a second marble without replacing the marbles to the bag. P(first red, then blue)

• 0.25

• 0.3

• 0.24

• 0.2