WorksheetsMr. Chapman's Probability Unit 3 Review
Total questions: 18
Worksheet time: 17mins
Name
Class
Date
1.
An event with a probability of one
a)
experimental probability
b)
outcome
c)
certain event
d)
permutation
2.
The probability of Asher's soccer team winning its next game is 7/10. What is the probability of not winning their next game?
a)
unlikely
b)
3/10
c)
1/2
d)
impossible
3.
Probability can be written as a
a)
fraction
b)
decimal
c)
percent
d)
all of the above
4.
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
5.
You flip a coin 20 times and record the results. Is this experimental or theoretical probability?
a)
Experimental
b)
Theoretical
6.
The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the probability of selecting a brown candy?
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the probability of selecting a brown candy?
a)
2/18
b)
1/9
c)
2/20
d)
1/10
7.
You flipped a coin 75 times. You got 23 heads and 52 tails. What is the probability of flipping heads? Is this Experimental or Theoretical probability?
a)
1/2; Theoretical
b)
52/75; Theoretical
c)
23/75; Experimental
d)
23/75; Theoretical
8.
A spinner has 4 colors: red, green, pink, and blue. A coin has 2 sides: heads and tails. What is the probability of spinning pink and then tossing tails on a coin?
a)
1/4
b)
1/2
c)
1/8
d)
1/6
9.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
10.
The cafeteria has 2 choices of salads, 3 choices of entrees, and 2 choices of beverages. How many meal combinations are available and why?
a)
7 because 2 + 3 + 2
b)
12 because 2 x 3 x 2
11.
How many total outfit options are represented by this tree diagram?
a)
12
b)
22
c)
3
12.
In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, not replacing it, and then picking a blue pen?
a)
1/2
b)
4/11
c)
1/10
d)
2/3
13.
What is the probability of drawing a red marble from a bag of 6 red and 4 blue marbles, replacing it, and then drawing a blue marble?
a)
6/25
b)
1/24
c)
24/100
d)
12/50
14.
6!
a)
6
b)
46656
c)
720
d)
21
15.
How many ways can a club select a president, vice president, and a secretary from a group of 5 people?
a)
12
b)
60
c)
15
16.
How many ways can you choose a manager and assistant from a 9-person task force?
a)
81
b)
18
c)
72
17.
An election ballot asks voters to select three city commissioners from a group of six candidates. In how many ways can this be done?
a)
6!
b)
120
c)
20
d)
3!
18.
Ms. Hudson's literature class is voting on the 2 most influential people of the 18th century. The choices are 5 famous people. How many different combinations are possible?
a)
10
b)
120
c)
20
d)
60
100 %
