Illustrating and Probability of Event

Which of the following represents the probability of an impossible event?

• 0

• 0.5

• 1

• None of the above

A coin is tossed. What is the probability of getting a head?

• 0

• 0.5

• 1

• 2

If a die is rolled, what is the probability of rolling a number at least 4?

What is the sum of probabilities for all possible outcomes of an event?

• 0

• 0.5

• 1

• It depends on the event

The probability of an event is always a number between 0 and 1.

• True

• False

If an event is certain to occur, its probability is 1.

• True

• False

• True

• False

The probability of an event is calculated as the ratio of the number of __________ outcomes to the total number of sample space.

If a bag contains 3 red balls, 2 blue balls, and 1 green ball, the probability of picking a red ball is __________.

A bag contains 5 yellow marbles, 3 green marbles, and 2 red marbles. If one marble is chosen at random, what is the probability that it is Green?