First Year Probability

A fair 6-sided die is rolled once. What is the probability of rolling a 3?

• 1/6

• 1/2

• 3/6

• 0

A fair 6-sided die is rolled once. What is the probability of rolling an even number?

• 1/2

• 1/6

• 1

• 0

A fair coin is flipped twice. what is the probability of flipping tails both time?

• 1/2

• 1/4

• 2

• 1

A spinner has 4 equal regions. Each region is marked with one of the numbers; 10, 20, 30, 40. What is the probability of getting an even number on the first spin?

• 1/2

• 0

• 1

• 1/4

How many red cards are in a standard deck (without jokers)?

• 13

• 26

• 52

• 12

What is the probability of drawing a spade from a standard deck of cards (with no joker)?

• 1/2

• 1/3

• 1/4

• 1

There are 6 blue marbles, 4 red marbles, 5 green marbles and 1 yellow marble in a bag. One is randomly drawn from the bg. What is the probability that the marble is green?

• 6/16

• 1/3

• 5/16

• 4/17

There are 6 blue marbles, 4 red marbles, 5 green marbles and 1 yellow marble in a bag. One is randomly drawn from the bg. What is the probability that the marble is blue?

• 5/16

• 3/8

• 1/2

• 3/16

There are 6 blue marbles, 4 red marbles, 5 green marbles and 1 yellow marble in a bag. One is randomly drawn from the bg. What is the probability that the marble is not yellow?

• 15/16

• 1

• 1/2

• 12/16

There are 6 blue marbles, 4 red marbles, 5 green marbles and 1 yellow marble in a bag. One is randomly drawn from the bg. What is the probability that the marble is green or yellow?

• 6/10

• 3/8

• 4/8

• 10/16