6A - 4.4 Test Review - Data Analysis

A nationwide survey of middle school students was conducted to determine whether or not talking or texting on a cell phone can be a distraction. A total of 5,600 cell phone owners were surveyed and of those surveyed it showed that 700 had someone who was talking or texting walk into them.

If 200 Hamlin Middle Schoolers were surveyed, how many​ of them will have someone who was talking or texting walk into them.

Mathematical Equivalence

ON

Tags

MA.7.DP.1.3

A nationwide survey of middle school students was conducted to determine whether or not talking or texting on a cell phone can be a distraction. A total of 7,200 cell phone owners were surveyed and of those surveyed it showed that 1,200 had someone who was talking or texting walk into them.

If 120 Hamlin Middle Schoolers were surveyed, how many​ of them will have someone who was talking or texting walk into them.

Mathematical Equivalence

ON

Tags

MA.7.DP.1.3

A nationwide survey of middle school students was conducted to determine whether or not talking or texting on a cell phone can be a distraction. A total of 44,000 cell phone owners were surveyed and of those surveyed it showed that 2,200 had someone who was talking or texting walk into them.

If 200 Hamlin Middle Schoolers were surveyed, how many​ of them will have someone who was talking or texting walk into them.

Mathematical Equivalence

ON

Tags

MA.7.DP.1.3

After a new process of producing a computer chip was introduced at a manufacturing plant, a random sample of 900 of the computer chips showed that 6 of the chips had a defect.

If 300,000 computer chips are manufactured, how many do you expect to be defective?

• 2000

• 500

• 4000

• 10000

Tags

MA.7.DP.1.3

After a new process of producing a computer chip was introduced at a manufacturing plant, a random sample of 200 of the computer chips showed that 5 of the chips had a defect.

If 100,000 computer chips are manufactured, how many do you expect to be defective?

• 2500

• 500

• 5000

• 25000

Tags

MA.7.DP.1.3

After a new process of producing a computer chip was introduced at a manufacturing plant, a random sample of 1,350 of the computer chips showed that 22 of the chips had a defect.

If 15,000 computer chips are manufactured, how many do you expect to be defective?

• 244

• 488

• 1,350

• 2,700

Tags

MA.7.DP.1.3

The pie chart shows the percentage of sales for each item at a local bakery. The results are based on the results of 4,900 customers. I predict the number of people who bought coffee would be​ ​ (a)  

• 1862
• 2490
• 3098
• 1630

Tags

MA.7.DP.1.3

The pie chart shows the percentage of sales for each item at a local bakery. The results are based on the results of 5,200 customers. I predict the number of people who bought juice would be...​ ​ (a)  

• 260
• 467
• 903
• 113

Tags

MA.7.DP.1.3

The pie chart shows the percentage of sales for each item at a local bakery. The results are based on the results of 5,200 customers. I predict the number of people who bought donuts would be...​ (a)  

• 572
• 672
• 906
• 338

Tags

MA.7.DP.1.3

Answer the question pictured.

• F

• G

• H

• J