Travel time is taking a random survey to find out where most people in the state of alabama are going on vacation this summer. the company calls a sufficient number of households at 8 a. m. on saturday morning. the telephone representative cheerfully asks the person two, short questions that are not biased. what could lead to bias in this scenario?
a) the brevity of the questions asked.
b) the state of the survey respondent.
c) the non-leading questions that are asked.
d) there is no bias in this random sample survey.
e) the cheerfulness of the company representative.