Chapter 9 Review

How many different samples of 7 students can be taken from a class of 34 students?

• 5,279,616

• 48,571,429

• 238

• 5

The breakdown of students by grade at Celebration High School is 26% Freshmen, 28% Sophomores, 24% Juniors, 22% Seniors. If a stratified sample is to include 50 total students, how many should be Seniors?

• 12

• 13

• 10

• 11

A company sells game consoles at a wholesale price of $90. A retail store has a 400% markup, what is the retail price?

• $450

• $360

• $540

• $270

A company sells VR headsets for $60 wholesale. A retail store has a markup of $180. What is the percent markup?

• 300%

• 400%

• 500%

• 200%

A company that produces Bluetooth speakers has a demand function of q = -300p+10000, how many speakers are demanded when the price is set to $24?

• 2,800

• 1,400

• 5,600

• 10,000

What is the revenue function if a company sells Bluetooth speakers for $24 each?

• R = 24q

• R = -24q

• There is not enough information to write the revenue function.

• R = q + 24

What is the fixed expense in the expense function E = 8q + 20000?

• $20,000

• $8

• $28,000

• $20

A company that sells Bluetooth speakers has the expense function E = 8q + 20000. How much would it cost to produce 2000 items?

• $2,000

• $16,000

• $36,000

• $42,000

A company that sells Bluetooth speakers has the expense function E = 8q + 20000. What is the average price per item to produce 3000 speakers?

• $17.96

• $22.00

• $14.67

• $8.00

A company that makes Bluetooth speakers has the expense function E = 8q + 20000 and sells their speakers for $24. What is the breakeven point?

• 1,250

• 625

• 2,560

• 824