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Probability Review for Test

Total questions: 40

Worksheet time: 1hrs 17mins

Name
Class
Date
1.
Theoretical Probability is...
a)
what will happen.
b)
what actually happens.
c)
what should happen.
d)
what I think happens.
2.
Experimental Probability is...
a)
what will happen.
b)
what actually happens.
c)
what should happen.
d)
what I think might happen if a comet flies over.
3.
How do you write a probability of 0.02 as a percent?
a)
20%
b)
200%
c)
2%
d)
.02%
4.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
5.
A set of all possible outcomes is known as...
a)
a list.
b)
a complement.
c)
a sample space.
d)
an event.
6.
What is the complement of spinning purple on this spinner?
a)
Not green
b)
Purple
c)
Not purple
d)
Orange, red, or yellow
7.
Event A has a probability of 0.3. What is the probability of the complement of Event A?
a)
30%
b)
3/100
c)
7/100
d)
0.7
8.
If 33% of the students at Grandview Middle School have a pet, then what is the probability of the complement of this event?
a)
33%
b)
77%
c)
67%
d)
50%
9.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
10.
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 
a)
2/7
b)
5/49
c)
5/7
d)
10/49
11.
Rolling a 15 on a number cube is...
a)
Impossible
b)
Certain
c)
Unlikely
d)
Equally Likely
12.
You pick a marble from this bag.
What is the probability you will choose either a black or white marble?
a)
3/5
b)
9/100
c)
1/10
d)
2/5
13.
The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel?
a)
8/121
b)
4/11
c)
2/11
d)
4/121
14.
You flip a nickel three times.
Find the probability that all flips will land on tails.
a)
1/2
b)
1/4
c)
1/6
d)
1/8
15.
You spin this spinner 3 times.
Find the probability of these 3 events.
P(red, odd, 3)
a)
1/216
b)
1/72
c)
1/36
d)
1/12
16.
A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?
a)
1/9
b)
2/9
c)
5/21
d)
10/21
17.
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 CORRECT Sample Space List of possible combinations?
a)
TW, CW, PW
b)
TW, TM, TC, CW, PW
c)
TW, TM, CW, CM, PW, PM
d)
TCP, MW
18.
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
19.
40% of students at GMS wore red on a Spirit Day. If two students are randomly selected, what is most likely the probability that both students will not be wearing red?
a)
16%
b)
36%
c)
40%
d)
60%
20.
You roll a single number cube.
What is the probability you will roll a 4, then roll a number less than 3?
a)
1/36
b)
1/18
c)
1/9
d)
1/6
21.
The probability of a video game being defective is 1 out of 20.  About how many video games would be defective in a shipment of 490 video games? (Round your answer to the nearest whole number.)
a)
490
b)
25
c)
98
d)
100
22.
Find the experimental probability of spinning Letter Q.
a)
15/15
b)
3/10
c)
3/50
d)
7/10
23.
What is the probability of spinning green or blue?
a)
0
b)
5/12
c)
1/2
d)
3/4
24.
What is the probability of selecting a cherry piece?
a)
1/4
b)
1
c)
5/12
d)
50%
25.
What is the probability of drawing a black card from a standard deck of 52 playing cards?
a)
1/2
b)
4/52
c)
1/13
d)
1/26
26.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
27.
What is the probability of spinning the spinner and landing on the 7?
a)
impossible
b)
equally likely 
c)
unlikely 
d)
very likely 
28.
What is the probability of getting an odd number when rolling a single 6 sided die?
a)
1/6
b)
2/6
c)
3/5
d)
3/6
29.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
30.
If I flip a coin 10 times, how many times should I get heads?
a)
1
b)
10
c)
3
d)
5
31.

You pick a card at random. Without putting the first card back, you pick a second card at random. What is the probability of picking a 6 and then picking a 6? Write your answer as a percentage.

(a)  

32.

You pick a card at random. Without putting the first card back, you pick a second card at random.

What is the probability of picking a 9 and then picking a number less than 9? Write your answer as a fraction or whole number.

(a)  

33.

You spin the spinner twice.

What is the probability of landing on a 4 and then landing on a number greater than 1? Write your answer as a fraction or whole number.

(a)  

34.

You flip a two pound coin twice. What is the probability of getting heads and then getting heads?Write your answer as a percentage.

(a)  

35.

You pick a card at random. Without putting the first card back, you pick a second card at random. What is the probability of picking a 3 and then picking a number 5 or greater? Write your answer as a SIMPLIFIED fraction.

(a)  

36.

You pick a card at random. Without putting the first card back, you pick a second card at random. What is the probability of picking an odd number and then picking an odd number?Write your answer as a fraction.

(a)  

37.

You roll a 6-sided die two times.What is the probability of rolling a number less than 2 and then rolling a 6? Write your answer as a fraction.

(a)  

38.

An auctioneer is preparing to auction off 5 items as part of an estate sale. In how many different orders can she present the items at the auction?

(a)  

39.

Alexandra received a new pie cookbook as a gift and wants to try a new recipe every weekend. The pies she is most interested in are plum, strawberry rhubarb, key lime, and banana cream. In how many different orders could she bake all of these pies?

(a)  

40.

Every summer at Spirit of the Lakes in Mound, MN, the city puts on a big display of fireworks. For this year's event, the grand finale will use teal, orange, green, red, white, indigo, purple, and blue fireworks. In how many different orders can the different colors of fireworks appear in the grand finale?

(a)  

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