Probability Quiz

True or False: The probability of an event can be a number between 0 and 1, inclusive.

• Only 0

• False

• Only 1

• True

Fill-in-the-Blank: The probability of rolling a 3 on a standard six-sided die is _______.

• 1/2

• 1/3

• 1/4

• 1/6

True or False: If two events are independent, the occurrence of one event does not affect the probability of the other event.

• True

• Only if they are mutually exclusive

• False

• Only if they are dependent

If you flip a coin three times, what is the probability of getting exactly two heads?

• 5/8

• 1/4

• 1/2

• 3/8

A class has 10 students, and 4 of them are girls. If a student is chosen at random, what is the probability that the student is a boy?

• 0.5

• 0.4

• 0.6

• 0.3