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Underestimate the true proportion of drivers

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Question: A civil engineering student, working on his thesis, plans a survey to determine the proportion of all current drivers in his university town that regularly use their seat belt. He decides to interview his classmates in the three classes he is currently enrolled.

(a) What is the population of interest?

(b) Do the student's classmates constitute a simple random sample from the population of interest?

(c) What name have we given to the sample that the student collected?

(d) Do you think that this sample proportion is likely to overestimate or underestimate the true proportion of all drivers who regularly use their seat belt?

Reference no: EM131767952

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