Question

Joe owns a clothing store, he keeps 15% of the shirts on display in the window. he knows if a shirt is in the window there is a 70% chance of it being sold that week. The probability that the shirt in the display window will be sold within the week is?????
and is this an either/or probability event?

Answer 1

Sure looks like .7 to me. The ones not in the window have nothing to do with your problem.