The document discusses results from the 2006 Canadian census which found that 20% of post-secondary students studied business, management, or marketing. It then asks what proportion of random samples of 200 students would have between 25-35% or 20-40% studying business, if the overall population percentage is 20%.

1. according to the 2006 canadian census, the most popular field of study for male and female post-
secondary students was buiness, management, and marketing, with 20% of students choosing
this field of study. If samples of 200 students are selected:
(A) in what proportion of the samples will students be between 25% abd 35% of the students be
in business, management and marketing?
(B) in what proportion of the samples will be between 20% and 40% of the students be in
business, management and marketing?
Solution
(a) P(25