# Lesson Worksheet: Theoretical Probability Mathematics • 7th Grade

In this worksheet, we will practice interpreting a data set by finding and evaluating the theoretical probabilities.

Q1:

What it is the probability of rolling a number greater than or equal to 2 on a regular dice?

• A
• B
• C
• D

Q2:

A box contains 5 red marbles, 8 green marbles, and 4 yellow marbles. If a marble is picked from the box at random, what is the probability that the marble is red?

• A
• B
• C
• D
• E

Q3:

If this spinner is spun once, what is the probability of getting a vowel? Give your answer as a fraction in its simplest form. • A
• B
• C
• D
• E

Q4:

When spinning a fair coin, what is the probability that it lands heads side up?

Q5:

What is the probability of rolling a number between 0 and 2 on a fair die?

• A
• B
• C
• D0

Q6:

What it is the probability of rolling a number less than or equal to 1 on a regular dice?

• A0
• B
• C
• D1

Q7:

A number is chosen at random from the set . What is the probability that the number is even?

• A
• B
• C
• D

Q8:

Two numbers are chosen at random from the set one after the other with replacement. What is the probability that the sum of the two numbers is 13?

• A
• B
• C
• D
• E

Q9:

A box contains 7 white, 4 black, and 6 red balls. If a ball is taken out of the box, what is the probability of it being black?

• A
• B
• C
• D

Q10:

A bag contains 5 yellow balls, 9 white balls, and 8 red balls. If a ball is chosen at random from the bag, what is the probability that it is white?

• A
• B
• C
• D