Chapter 04, Supplementary Exercises, Problem 097a

A random sample of400

college students was asked if college athletes should be paid. The following table gives a two-way classification of the responses.

Should Be Paid Should Not Be Paid

90 10

210 90

Round your answers to three decimal places. If one student is randomly selected from these400 students, find the probability that this student

i.is in favor of paying college athletes. ___________

ii.favors paying college athletes given that the student selected is a non-athlete. _____________

iii.is an athleteandfavors paying student athletes. ____________

iv.is a non-athleteoris against paying student athletes. ____________