Bridge Unit Quiz #2

Using the 2 spinners, find the compound probabilty.

P( A and 2)

• 1/2

• 1/3

• 1/12

• 1/36

You roll a fair number cube. Find the probability. P( 3, then 5)

• 1/6

• 1/36

• 1/30

• 1/5

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.

• Biased
• Unbiased
• Representative
• Numerical

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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 randomly selected group of members at a local gardening club

• a randomly selected group of residents from the city’s voter registration records

• a randomly selected group of workers at a factory that employs a large percentage of the city

• a randomly selected group of residents in the neighborhoods affected by the proposal

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

• Asking all the students in the hot lunch line.
• Asking 10 random students from each homeroom.
• Asking every other student who gets off a school bus.
• Asking all the 10th graders.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

Tags

CCSS.7.SP.C.7B

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

• 20 
• 180
• 60 
• 120

Tags

CCSS.7.SP.C.6

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?

• 40,000
• 14,000
• 36,000
• 28,000

Tags

CCSS.7.RP.A.3