Reference no: EM132843708

The college newspaper of a large Midwestern university periodically conducts a survey of students on campus to determine the attitude on campus concerning issues of interest. Pictures of the students interviewed along with quotes of their responses are printed in the paper. Students are interviewed by a reporter "roaming" the campus selecting students to interview "haphazardly." On a particular day the reporter interviews five students and asks them if they feel there is adequate student parking on campus. Four of the students say, "no." Which of the following conditions for inference about a proportion using a confidence interval are violated in this example?

I. The data come from a random sample from the population of interest.

II. The sample size is less than 10% of the population size.

III. np hat greater than or equal to 10 and n(1-p hat) greater than or equal to 10.

a. I only

b. II only

c. III only

d. I and III

e. All three conditions are violated