Probability Quiz for Grade 10

What is the definition of probability?

• Probability is a measure of the size of an event.

• Probability is a measure of the likelihood that an event will occur.

• Probability is a measure of the speed of an event happening.

• Probability is a measure of the certainty of an event occurring.

If a fair six-sided die is rolled, what is the probability of rolling a 3?

• 1/3

• 1/5

• 1/6

• 1/4

A bag contains 5 red balls and 3 green balls. What is the probability of drawing a red ball?

• 3/8

• 2/5

• 4/8

• 5/8

In a class of 30 students, 18 are girls. What is the probability of selecting a boy at random from the class?

• 4/7

• 2/5

• 1/3

• 3/5

What is probability of s sure event

• 0

• 1

• 100

• None of these