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WorksheetsBridge Unit Quiz #2
Total questions: 11
Worksheet time: 13mins
Name
Class
Date
1.
Using the 2 spinners, find the compound probabilty.
P( A and 2)
a)
1/2
b)
1/3
c)
1/12
d)
1/36
2.
You roll a fair number cube. Find the probability. P( 3, then 5)
a)
1/6
b)
1/36
c)
1/30
d)
1/5
3.
_______ is a part of a group being surveyed.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
4.
_______ is the entire group of objects or individuals considered for a survey.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
5.
A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.
a)
Biased
b)
Unbiased
c)
Representative
d)
Numerical
6.
An environmental advocacy group wants to know how residents intend to vote on a proposal to reduce bus service to certain neighborhoods in the city. They decide to conduct a survey.
Which describes a representative sample of the population for the situation?
a)
a randomly selected group of members at a local gardening club
b)
a randomly selected group of residents from the city’s voter registration records
c)
a randomly selected group of workers at a factory that employs a large percentage of the city
d)
a randomly selected group of residents in the neighborhoods affected by the proposal
7.
A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:
a)
Asking all the students in the hot lunch line.
b)
Asking 10 random students from each homeroom.
c)
Asking every other student who gets off a school bus.
d)
Asking all the 10th graders.
8.
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
9.
Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?
a)
20
b)
180
c)
60
d)
120
10.
In a sample of voters in Harrisburg, 18 out of 25 favored creating a new shopping center. If 50,000 people vote in the next Harrisburg election, how many are likely to vote in favor of the new shopping center based on this sample?
a)
40,000
b)
14,000
c)
36,000
d)
28,000
11.
Suppose 7/10 of people surveyed agree that dogs are the best pets to own. How many people out of 500 would you expect to say they DO NOT think dogs are the best pet?
a)
350
b)
200
c)
250
d)
150
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