WorksheetsProbability Quiz Review
Total questions: 44
Worksheet time: 44mins
Name
Class
Date
1.
A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?
a)
1/5
b)
5/6
c)
1/6
d)
6/5
2.
A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?
a)
1/3
b)
1/6
c)
1/2
d)
2/3
3.
A coin is to be tossed twice. p(t, t) = ___
a)
1/4
b)
1/2
c)
2
d)
1/8
4.
a)
Certain
b)
Likely
c)
Unlikely
d)
Impossible
5.
a)
Certain
b)
Likely
c)
Unlikely
d)
Impossible
6.
Which event is not a dependent event?
a)
Picking 2 students to each be line leader and door holder from a group of 20 students
b)
Picking 2 marbles from a bag without replacing the first marble
c)
Picking 2 crayons from a box at the same time (simultaneously)
d)
Picking an earring, replacing it, then picking a 2nd earring
7.
A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?
a)
1/3
b)
1/7
c)
1/9
d)
1/12
8.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
9.
Clare picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
10.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
11.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/6
c)
1/9
d)
1/3
12.
A likely chance event is closer to what number?
a)
0
b)
1
c)
.5
d)
100
13.
Twenty-five people were asked which of the four gifts was their favorite. Which gift was favored 16% of the time?
a)
Flowers
b)
Perfume
c)
Jewelry
d)
Clothing
14.
Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red?
a)
1/2
b)
1/5
c)
1/10
d)
5/8
15.
A fair number cube is rolled 60 times. The results of the experiment are shown. For which side of the number cube were the experimental and theoretical probability the closest?
a)
2
b)
5
c)
4
d)
3
16.
A spinner is spun and the results are shown in the chart.
Which of the following statements is true about the probability of spinning a blue?
Which of the following statements is true about the probability of spinning a blue?
a)
The experimental probability and theoretical probability are equal.
b)
The experimental probability is less than the theoretical probability.
c)
The experimental probability is greater than the theoretical probability.
d)
The experimental probability cannot be determined from the data.
17.
Which of the following describes experimental probability?
a)
Perform a situation and count the number of possibilities
b)
Use trials to count the number of desired outcomes
c)
Perform an experiment to determine the probability of an event
d)
Use a formula to determine the expected probability of an event
18.
Which of the following describes theoretical probability?
a)
Perform a situation and count the number of possibilities
b)
Use trials to count the number of desired outcomes
c)
Perform an experiment to determine the probability of an event
d)
Use a formula to determine the expected probability of an event
19.
A spinner has 5 sections of equal size labeled P, Q, R, S, and T. The arrow of this spinner is spun 15 times and landed 4 times on the section labeled Q.
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
a)
The experimental probability is 4/15, and the theoretical probability is 1/5.
b)
The experimental probability is 1/5, and the theoretical probability is 1/5.
c)
The experimental probability is 4/15, and the theoretical probability is 4/15.
d)
The experimental probability is 1/5, and the theoretical probability is 4/15.
20.
A bag of marbles has 8 red marbles and 6 purple marbles. Jennifer will randomly select 1 marble from the bag. What is the probability that she will select a purple marble?
a)
6/8
b)
3/4
c)
6/14
d)
3/7
21.
A bag of candy contains 2 packs of Skittles, 4 Twizzlers, and 10 Reese's cups. What is the probability of reaching into the bag and choosing either a pack of Skittles or a Reese cup?
a)
3/4
b)
1/4
c)
3/8
d)
1/8
22.
An ice cream parlor has six different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?
a)
24
b)
48
c)
6
d)
12
23.
Which of the following scenarios does not have 144 different combinations?
a)
A travel agency has 4 different vacation destinations, 3 different flights, and 12 hotel options.
b)
You have 8 shirts, 6 pairs of pants, and 3 pairs of pants.
c)
A restaurant has 12 main dishes, 6 side dishes, and 2 dessert options.
d)
An instrument shop has 80 brass instruments, 39 woodwind instruments, and 25 percussion instruments.
24.
Look at the dartboard.
A boy is playing darts with his friends. What is the probability that his dart will land in an unshaded square?
A boy is playing darts with his friends. What is the probability that his dart will land in an unshaded square?
a)
12/25
b)
13/25
c)
10/25
d)
11/25
25.
A regular deck contains 52 cards, 2 of which are red eights. Assuming the cards are dealt randomly, which is the probability that the first card dealt will be a red eight?
a)
1/26
b)
1/13
c)
1/52
d)
2/13
26.
*BONUS* Several students conducted a simulation where a standard coin was tossed several times and the results were recorded in the table. Which table shows an experimental probability of landing on tails that is closest to the theoretical probability of landing on tails?
a)
A
b)
B
c)
C
d)
D
27.
*BONUS*
When calculating experimental probability, as more trials are conducted, the experimental probability generally gets closer to the theoretical probability. Eventually, the experimental probability will equal theoretical probability.
When calculating experimental probability, as more trials are conducted, the experimental probability generally gets closer to the theoretical probability. Eventually, the experimental probability will equal theoretical probability.
a)
True
b)
False
28.
How confident do you feel about our Probability Test tomorrow?
Remember to write down any questions you might have to ask before we begin our test tomorrow.
Remember to write down any questions you might have to ask before we begin our test tomorrow.
a)
A
b)
B
c)
C
d)
D or F
29.
Which of the following describes experimental probability?
a)
Perform a situation and count the number of possibilities
b)
Use trials to count the number of desired outcomes
c)
Perform an experiment to determine the probability of an event
d)
Use a formula to determine the expected probability of an event
30.
Which of the following describes theoretical probability?
a)
Perform a situation and count the number of possibilities
b)
Use trials to count the number of desired outcomes
c)
Perform an experiment to determine the probability of an event
d)
Use a formula to determine the expected probability of an event
31.
A spinner has 5 sections of equal size labeled P, Q, R, S, and T. The arrow of this spinner is spun 15 times and landed 4 times on the section labeled Q.
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
Which statement best describes the experimental probability and theoretical probability of the arrow landing on the section labeled Q?
a)
The experimental probability is 4/15, and the theoretical probability is 1/5.
b)
The experimental probability is 1/5, and the theoretical probability is 1/5.
c)
The experimental probability is 4/15, and the theoretical probability is 4/15.
d)
The experimental probability is 1/5, and the theoretical probability is 4/15.
32.
A tree diagram is useful in determining the __________of a probability experiment.
a)
result
b)
possible outcomes
c)
event
d)
none of the above
33.
The tree diagram shows the outcomes of rolling a die and flipping a coin.
How many total outcomes are there?
How many total outcomes are there?
a)
6
b)
12
c)
24
d)
36
34.
How many total outfit options are represented?
a)
12
b)
22
c)
3
35.
The cafeteria is serving three kinds of sandwiches: tuna (T), chicken, (C), and peanut butter (P). They are also serving a choice of two drinks: milk (M) or water (W). Which shows the complete set of possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
36.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
37.
A school requires students to wear uniforms. They can choose from the following options. How many total choices does a student have?
a)
2
b)
3
c)
10
d)
16
38.
Marty can go to one movie on either Friday or Saturday. His choice of movies includes a comedy or an action movie. Which list shows all of the possible outcomes of one movie on one day?
a)
Comedy, Friday; Comedy, Saturday; Action, Friday; Action, Saturday
b)
Comedy, Action; Action, Comedy; Friday, Saturday; Saturday, Friday
c)
Action, Friday; Action, Saturday
d)
Comedy, Friday; Action, Friday
39.
Four coins are flipped. What is the probability of the coins all landing heads up?
a)
16
b)
2
c)
1/4
d)
1/16
40.
What's the probability of landing on a shaded square?
a)
3
b)
3/9
c)
3/12
41.
I have a box of 20 pens
If P(red pen) = 0.2
How many red pens would you expect in the pot?
a)
2
b)
3
c)
4
42.
I have a bag of 50 sweets
P(red sweet) = 0.5
How many red sweets would you expect in the bag?
a)
5
b)
10
c)
15
d)
25
43.
P(winning) = 0.3
What is the probability of losing?
a)
0.7
b)
1.3
c)
3
d)
1.7
44.
If I flip a coin 50 times, how many times would I expect to get a head?
a)
half
b)
20
c)
25
100 %
