A sporting goods store received an order of 80 baseball caps, of which 12 were green. If 1 of the 80 caps is selected at random, what is the probability it will NOT be green?

Question

anonymous · Answer

@thomaster ?? @mathmale  @MathLegend  ?? Anyone... ?

mathmale · Answer

First of all, please figure out how many of the caps were not green.
what is the probability that one cap, chosen at random, would be green?
What is the prob. that one cap, chosen at random, would not be green?
Show your calculations.

anonymous · Answer

68 would not be green. Because, 80-12=68..

anonymous · Answer

@mathmale , and the probability that one cap would be green would be 1/68? and the probability that the cap wouldn't be green would be 12/68?

anonymous · Answer

Wait! it would be 68/80!! so the probability would be 85%!?

mathmale · Answer

Really good!!  that's it.