Probability Quiz 2

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter, not replacing it, and then picking a penny?

• 20/121

• 8/121

• 2/11

• 4/55

Lisa flipped the same coin 3 times. What is the probability she obtained all tails?

• 1/2

• 1/16

• 1/4

• 1/8

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick two marbles without looking, what is the probability that the marble you pick will be red or blue and then without replacing it it a pink.

• 5/33

• 5/36

• 1/18

• 2/9

Determine whether the scenario involves independent or dependent events. Then find the probability.

• Independent; 0.083

• Dependent; 0.267

• Independent; 0.249

• Independent; 0.218

Determine whether the scenario involves independent or dependent events. Then find the probability.

• Independent; 0.25

• Dependent; 0.059

• Dependent; 0.267

• Independent; 0.028

Rolling a prime number and rolling an even number on a normal six-sided die are

• Mutually exclusive

• Not mutually exclusive

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?

• 8/15
• 6/11
• 3/4
• 2/3

Which of the following shows how to determine P(diamond or face card)?

• 13/52 + 12/52 - 3/52
• 3/52 + 13/52 -12/52
• 3/52 + 12/52 - 13/52
• 1/13 + 3/52 - 1/4

What are mutually exclusive events?

• Events that can happen at the same time

• Events that cannot happen at the same time

• Events that add up to 100%