Question

Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. This policy best addresses which potential source of bias?

Answer 1

A. Some of the population may not have access to other types of phones.

Explanation: edge 2020

Answer 2

Answer: lack of access

Step-by-step explanation:

If they use the mobile phones there are high chances that they won't get everyone through the phone , they may be shortage of responses or insufficient data collection due to the fact that not everyone would answer to this pollsters and they may not even have access to enough mobile phones.