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mina [271]
3 years ago
5

Natasha conducted a survey to determine how many of the 215 workers in her office building use public transportation to get to w

ork. She surveyed 30 randomly selected workers who entered the office cafeteria throughout the day. Of the 30 workers surveyed, 9 used public transportation to get to work.
Which change to Natasha's survey process would make the data more reliable?

A. Ask a randomly selected sample of people who use public transportation whether their office is in the building.

B. Use a different sample size so the predicted number of workers who use public transportation is a whole number.

C. Have workers complete a written survey so there is a written record of the responses.

D. Randomly select the sample in the lobby of the building so workers who do not enter the cafeteria can be included.
Mathematics
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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