Eliza Norton

Mathematics

16 August, 11:22

A food store owner wants to determine the type of products customers prefer to buy. The owner surveyed 40 customers on a day when the store had 335 customers, and found that 40% of those surveyed preferred to buy organic products over non-organic products. Assuming a 95% confidence level, which of the following statements holds true?

A.

As the sample size is appropriately large, the margin of error is ±0.127.

B.

As the sample size is appropriately large, the margin of error is ±0.152.

C.

As the sample size is too small, the margin of error is ±0.127.

D.

As the sample size is too small, the margin of error cannot be trusted.