Probability and Random Variables Quiz for Grade 1

What is the likelihood of getting a head when flipping a fair coin?

• 50%

• 100%

• 75%

• 25%

If you roll a fair six-sided die, what is the probability of getting a 3?

• 1/4

• 1/5

• 1/6

• 1/3

If you have a bag with 3 red marbles and 2 blue marbles, what is the probability of picking a red marble?

• 1/4

• 2/5

• 4/3

• 3/5

What is the chance of picking a yellow candy from a jar with 5 yellow candies and 10 green candies?

• 1/3

• 1/5

• 3/10

• 2/3

If you spin a spinner with 4 equal sections, what is the probability of landing on the blue section?

• 1/3

• 1/4

• 1/2

• 1/5

If you have a deck of cards with 52 cards, what is the probability of drawing a heart?

• 1/13

• 1/52

• 1/26

• 1/4

What is the likelihood of picking a number less than 5 from a set of numbers 1-10?

• 5/10

• 7/10

• 2/10

• 3/10

If you have a jar with 8 black socks and 4 white socks, what is the probability of picking a black sock?

• 3/5

• 5/8

• 1/4

• 8/12 or 2/3

What is the chance of rolling an even number on a fair six-sided die?

• 1/4 or 25%

• 1/3 or 33%

• 1/6 or 16%

• 1/2 or 50%

If you have a bag with 2 green marbles and 3 yellow marbles, what is the probability of picking a green marble?

• 3/5

• 4/5

• 2/5

• 1/5