**Q1: **

One out of every six students in a seventh-grade class is left-handed. Which of the following could be used to find the experimental probability that we will get a left-handed student when choosing randomly?

- AUsing a spinner with four colors: red represents right-handed, and yellow, blue, and green are left-handed.
- BUsing a coin: heads is right-handed, and tails is left-handed.
- CUsing a number cube: even numbers represent right-handed and odd numbers represent left-handed.
- DUsing a number cube: landing on 1 represents left-handed, and landing on 2β6 represents right-handed.

**Q2: **

The given fair spinner was spun 248 times. What is the expected number of times the pointer will land on the section labeled by the letter ?

- A62
- B248
- C28
- D31

**Q3: **

Which of the following sets represents the event of rolling two numbers which sum to 10 on two six-sided dice?

- A
- B
- C
- D
- E

**Q4: **

A biased coin was tossed 350 times and the number of tails observed was 178. Calculate the relative frequency of getting heads.

- A
- B
- C 172
- D

**Q5: **

A fair spinner has 8 equal sections, one of which is green. If the spinner is spun 56 times, what is the expected number of times it will stop on the green section?

**Q6: **

A coin was tossed 200 times and the number of tails observed was 102. Calculate the relative frequency of getting a heads. Round the answer to three decimal places.

**Q7: **

A game at a festival challenged people to throw a baseball through a tire. Of the first 68 participants, 3 people won the gold prize, 12 won the silver prize, and 15 won the bronze prize. What is the experimental probability of not winning any of the three prizes?

- A
- B
- C
- D
- E

**Q8: **

If a fair number cube, labeled with the numbers 1β6, is rolled 90 times, which result is most likely to occur?

- AThe number cube will land on a number larger than 4 about 15 times.
- BThe number cube will land on 6 about 30 times.
- CThe number cube will land on a prime number about 60 times.
- DThe number cube will land on an odd number about 45 times.

**Q9: **

On an irregular die, the probability of rolling the number 1, 2, 3, 4, or 5 is equal. The probability of rolling a 6 is three times that of any other number. What is the probability of rolling an odd prime number?

- A
- B
- C
- D

**Q10: **

Suppose you roll two number cubes, where each cube has the numbers 1, 2, 3, 4, 5, and 6 on its faces. Determine the probability that the sum of the two numbers rolled is less than 12.

- A
- B0
- C1
- D
- E

**Q11: **

The table shows the results of a survey that asked 20 students about their favorite breakfast.

Breakfast | Eggs | Cereal | Toast |
---|---|---|---|

Number of Students | 10 | 2 | 8 |

What is the probability that a randomly selected student prefers Eggs?

- A
- B
- C
- D
- E

**Q12: **

A die is rolled 750 times. What is the expected number of times for an even number greater than 1 to be rolled?

**Q13: **

A fair die is rolled 136 times. Calculate the expected number of times a number greater than 3 is rolled.

**Q14: **

Two fair dice are rolled. Which of the following represents the event of rolling two numbers which sum to 7?

- A
- B
- C
- D

**Q15: **

A fair die is rolled 150 times. What is the expected number of times for an odd number greater than 2 to be rolled?

**Q16: **

What is the probability of getting heads when a fair coin is flipped?

- A1
- B
- C0
- D

**Q17: **

What is the probability of getting heads when a fair coin is flipped?

- A
- B
- C1
- D

**Q18: **

What is the probability of getting tails when a fair coin is flipped?

- A0
- B1
- C
- D

**Q19: **

The table shows the music preferences of a group of men and women.

County Music | Rock Music | |
---|---|---|

Women | 13 | 24 |

Men | 8 | 18 |

Calculate the relative frequency of a randomly selected person being a woman who prefers country music. If necessary, round your answer to 2 decimal places.

Calculate the relative frequency of a randomly selected woman preferring rock music. If necessary, round your answer to 2 decimal places.

**Q20: **

If a coin is flipped once, what is the probability of getting a head?

- A1
- B
- C0
- D

**Q21: **

A die is rolled two consecutive times. Which of the following represents the event of rolling two numbers which have a difference of 2?

- A
- B
- C
- D

**Q22: **

A fair die is rolled 150 times. What is the expected number of times for a number divisible by 3 to be rolled?

**Q23: **

A bag contains 9 blue, 5 red, 3 white, and 8 green marbles. If a marble is drawn at random and replaced 75 times, determine the expected number of times a green marble could be drawn.

**Q24: **

A fair die is rolled twice. What is the probability of rolling two numbers which sum to an even number less than 4?

- A0
- B
- C
- D

**Q25: **

A fair dice is rolled twice. Which of the following represents the event of rolling two numbers which sum to less than or equal to 4?

- A
- B
- C
- D