LFS 250 Study Guide - Final Guide: Contingency Table, Angiostatin
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You own a clothing company that markets its product to a young active demographic. In previous years you have signed athletes from the canadian winter olympic team to be spokespersons for your clothing. At the last olympics your company was embarrassed when one of the athletes tested positive for cannabis. You are worried about this happening again and have decided to do some research. A friend has told you that skiers are less likely to use cannabis than snowboarders. You pick up a copy of a snowboarding journal big air and bloodshot eyes and read the results of a survey conducted on competitive skiers and snowboarders. What is the probability a randomly selected member of the survey is: a skier, a snowboarder, uses cannabis, doesn"t use cannabis or is a skier, uses cannabis or is a snowboarder. A company has designed a test to be used as a screening test for the chebyshev virus.
