Probability 3rd Year OL

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

• 5/6

• 1/6

• 1/5

• 6/5

A regular 6-sided die is to be rolled once. What is the probability that a number less than or equal to 4 is rolled? Give your answer in the simplest form.

• 3/6

• 2/3

• 2/6

• 1/4

How many cards are in a standard deck of cards?

• 51

• 56

• 52

• 53

How many red cards are in a standard deck of cards?

• 20

• 26

• 25

• 13

One card is randomly picked from a regular deck of cards. What is the probability that the card picked is a jack? Give your answer in the simplest form.

• 4/52

• 1/13

• 2/26

• 1/52

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

• 2/15

• 1/7

• 4/15

• 1/2

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

• 6/15

• 1/7

• 7/15

• 1/2

The probability Barry picks a €2 coin.

• 1/2

• 1/4

• 1/8

• 2/8

The probability Barry picks a coin worth less than 50c.

• 1/8

• 2/8

• 5/8

• 6/8

The probability Barry picks a €3 coin.

• 1/2

• 1/4

• 0

• 2/8