Around 16% of all ABC college students are declared econmajors. a sample of 75 students is taken.
(1) What is the distribution of the proportion of econmajors in your sample? (sampling distribution)
(2) What is the exact distribution of the number of econmajors in your sample?
(3) What’s the probability that more than a quarter ofthe students you sample are majoring in econ
(4) What’s the probability that less than 10% of thesample will be econ majors?
