In the STATS applied; on parze 303, we describere
drug-testing programs for high school athletes. Suppose
that 16% of the high school athetes in a large school
district have taken a banner Substance. The drug test
used by this disttict has a foulse positive tage of 5%
and a false regative tate, of 10%. Use what you
have leatres in this chapter to help answer the
following questions about the distfics drug testing
Programa
What's the probability that a fandomly chosen
athlete tests positive for binneR substances.