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01-01-2023
Mathematics

Answered

A mobile phone service provider wants to survey its customers to study privacy concerns and
the sharing of their personal information. They call 5,000 randomly selected phone numbers
from a database containing the phone number of every customer. If someone selected doesn't
answer, they'll attempt calling back up to 2 more times before giving up on reaching that person.
They reach 350 customers with this strategy, and 60% of those reached say they are at least
"somewhat concerned about their personal information being shared without their knowledge
or consent.
Which of these is the most concerning potential source of blas in the provider's survey?

Answer :

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