I think the answer is c because Bill is surveying every fourth person who enters the mall, which would be the population surveyed. Hope I helped! (Let me know if I got it wrong)
Everything you need is attached below.
Answer:
B
Step-by-step explanation:
It will take 5 days for Montegro Flooring Company to complete this job
<u>Solution:</u>
Given, The Montegro Flooring Company can replace 200 square feet of carpet with tile in one day
They accept a job replacing carpet with tile in an apartment that measures 977.5 square feet
We have to find how many days will it take the Montegro Flooring Company to complete this job?
Now, according to given information,
200 square feet ⇒ 1 day
Then, 977.5 square feet ⇒ n days
Now, by chris cross method

Hence, the company requires 5 days approximately.