Probability Exam Unit 9

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 regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

• 1/3

• 1/6

• 1/2

• 2/3

A coin is to be tossed twice. p(t, t) = ___

• 1/4

• 1/2

• 2

• 1/8

A coin is tossed and then a regular 6-sided die is rolled. What is the probability of the resulting outcome being

(tails, even)?

• 1/2

• 1/12

• 1/6

• 1/4

One card is randomly picked from a regular deck of cards. What is the theoretical probability that the card picked is a jack?

• 1/13

• 1/4

• 3/16

• 1/10

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

• 1/2

• 1/7

• 2/15

• 2/17

If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.

• True

• False

If you are picking a card randomly from a deck of cards, the events of picking an ace and picking a ‘3’ are mutually exclusive.

• True

• False

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

What is the probability of either event occurring when you spin a spinner with numbers 1-4. Event A: spinning an odd number, Event B: spinning a 4?

• 1/2

• 3/4

• 1/4

• 1/8