# 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