In a sample of 800 U.S.​ adults, 193 dine out at a resaurant more than once per week. Two U.S. adults are selected at random from the population of all U.S. adults without replacement. Assuming the sample is representative of all U.S.​ adults, complete parts​ (a) through​ (d).

a) The probability that both adults dine out more than once per week is____.