7.SP.2

A chain of supermarkets sells two types of detergent. A survey was taken of random customers at two locations to determine which type of detergent they preferred. The results of the survey are shown in the table below. Each location stocks a total of 1,000 bottles of laundry detergent. The chain wants to stock detergent in each store according to customer preferences. The results of the survey will determine the number of bottles of each type of detergent the chain will stock. Which statement is true, based on the results of the survey?

• Location A should stock 150 bottles of detergent 1, and location B should stock 240 bottles of detergent 1.

• Location A should stock 300 bottles of detergent 1, and location B should stock 300 bottles of detergent 1.

• Location A should stock 390 bottles of detergent 1, and location B should stock 390 bottles of detergent 1

• Location A should stock 428 bottles of detergent 1, and location B should stock 428 bottles of detergent 1.

A local newspaper runs poll estimates each time there is a mayoral election in the town of Shadyville. The voting population of the town is approximately 60,000, with an equal number of men and women. The current mayoral election has 4 candidates. The newspaper interviewed 2,800 women and 3,200 men to find out which candidate they planned to vote for and organized the results in the table below. Based on the results of this survey, who will most likely win the mayoral election?

• Gutierez

• Meyer

• Newport

• Rogers

A deli that just opened was giving out free mini sandwiches. A sample of 50 likely customers was surveyed about which sandwich they preferred. The people surveyed included 12 people who said they preferred the roast beef sandwich. Based on this information, how many of the first 150 sandwich orders should the deli predict will be for roast beef?

• 8

• 24

• 36

• 48

Four students are running for class president in the seventh grade. Sixty students in the seventh grade were randomly chosen to take a survey asking whom they planned to vote for. The results of the survey are shown below. There are a total of 140 seventh grade students. Based on the survey, who most likely will be the class president?

• Aarav

• Gavin

• Madelyn

• Nevaeh

Mr. Douglas took a sample of 42 randomly chosen 7th-graders at Oceanside Middle School, asking each student which class was his or her favorite. The results are shown in the chart below. There are 580 students in 7th grade in the school. Based on the data, about how many of the 7th-graders in the school consider mathematics to be their favorite class?

• 10

• 23

• 124

• 133

The tables show the results of a survey that asked a random sample of 135 boys and girls from two schools in a city what their favorite sport was. Based on the survey results, which inference could NOT be properly drawn?

• The favorite sport of most of the girls at the schools is tennis.

• The favorite sport of the majority of the boys combined at the schools is soccer

• In School 2, the number of boys whose favorite sport is swimming is about the same as the number of girls whose favorite sport is swimming.

• At both schools, the number of the students whose favorite sport is tennis is almost the same as the number of students whose favorite sport is swimming.

In a school, 60 students were randomly chosen and were surveyed about their favorite subject. Of the 60 students, 24 students chose math as their favorite subject. Based on the survey results, about how many of the 350 total students at the school would be expected to choose math as their favorite subject?

• 40

• 84

• 140

• 314

Polly asked the students in her class their favorite color. She recorded their responses in the table below. Based on the information in the table, which statement is true?

• More students chose yellow than purple

• More than half of the students chose blue

• More than 1/4 of the students chose pink

Joshua asked 60 students at his school what their favorite lunch was. The results are in the table below. Based on the information in the table, which statement is true?

• Most students chose hot dogs as their favorite lunch.

• Half of the students chose pizza as their favorite lunch

• 10% of the students chose spaghetti as their favorite lunch

A principal asked 40 students how they got to school in the morning. Thirty students said they rode the school bus. Two students said they walked to school. Eight students said they rode in a car. Based on this information, which statement is true?

• 10% of the students either walk or ride in a car to

  school.

• 30% of the students ride the bus to school.

• 5% of the students walk to school

• All of the students ride in a car to school