Question

A new shoe comes in two colors, grey or navy, and in sized 6 to 14, including half sizes.if a pair of the shoe is chosen at random for a store display, what is the probability it will be navy and size 10 or larger?

Answer 1

P(navy) = 1/2

how many total sizes?
How many 10 or larger?

P(navy & >=10) = P(navy)*P(>=10)