The given cintigent table show the number of customerswho brought various brands of digital comeras at the walmartand best buy the customer purchases are canon, nikon $,$ olympus,sony, other. for best buy it is $21,8,16,5,49.$ for walmart it is $32,37,30,12,40$ The probability that a random selected customer from this sample brought an Olympus camera and purchared the camera at best buy is$?$