1. PROBABILITY TEST REVIEW

2. What is the probability of the pointer landing on B?5
1/4
1/2
1/8
3/8

3. Predict how many times the spinner will stop on Y in 120 spins.5 14 20 17 15

4. A standard number cube with the numbers 1 through 6 is rolled
A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 1. 5
5/6
1/2
1/3
2/3

5. You are one of 53 people whose name will be drawn for a prize
You are one of 53 people whose name will be drawn for a prize. What is the probability that your name will be drawn first? 5
1/55
1/52
1/57
1/53

6. A number cube is rolled 360 times and the results are recorded as follows: 48 ones, 55 twos, 69 threes, 72 fours, 45 fives, and 71 sixes. What is the experimental probability of rolling a two or three? 5
0.34
0.66
0.09
0.16

7. From a barrel of colored marbles, you randomly select 5 blue, 8 yellow, 7 red, 4 green, and 8 purple marbles. Find the experimental probability of randomly selecting a marble that is NOT yellow. 5
16/17
3/4
11/16
19/32

8. From a barrel of colored marbles, you randomly select 5 blue, 8 yellow, 7 red, 4 green, and 8 purple marbles. Find the experimental probability of randomly selecting either a green or purple marble. 5
3/8
7/16
11/32
13/32

9. In a random sample of 250 restaurant customers, 74 customers ordered a dessert. If the restaurant typically has 1,000 customers per day, how many customers will probably order a dessert . 5
296
396
221
346

10. A survey showed that 56% of car owners prefer 4-door cars, 31% prefer 2-door cars, and 13% have no preference. You ask 700 people. How many do you think will prefer 4 door cars? 5
292
442
457
392

11. Mary works in a factory that produces 1,000 telephones each day
Mary works in a factory that produces 1,000 telephones each day. When 50 telephones were sampled, it was found that 10 were defective. Estimate how many telephones are defective each day. 5
214
184
210
200

12. A yogurt shop offers 7 different flavors of frozen yogurt and 12 different toppings. How many choices are possible for a single serving of frozen yogurt with one topping? 5 82 84 87 19

13. Southside Builders has a development of new homes
Southside Builders has a development of new homes. There are 6 different floor plans, 11 exterior colors, and an option of either one-car or two-car garage. How many choices are there for one house? 5
198 66
132 19

14. A drawer contains 3 red socks, 2 white socks, and 3 blue socks
A drawer contains 3 red socks, 2 white socks, and 3 blue socks. Without looking, you draw out a sock, return it and draw out a second sock. What is the probability that the first sock is blue and the second sock is red? 5
55/64
9/64
3/8
2/5

15. Be able to write probability in these forms: a
Be able to write probability in these forms: a. a fraction in simplest form b. a decimal c. a percent

16. Know if an event is equally likely or not equally likely.

17. Know if an game is fair or unfair.

18. Know the difference between experimental probability or theoretical probability. And how to find them.

19. Know how to read and interpret a tree diagram.

20. Know how to construct a list with all possible outcomes.

21. Determine whether an event is independent and dependent and be able to explain why.