Ina sample of 800 U.S. adults, 186 dine out at a restaurant more than once per week. Two U.S. adults are selected

at random from population of all U.S. adults without replacement. Assuming the sample is representative of all U.S. adults, complete parts (a) through (d). a. find the probability that both dine out more than once a week b. find the probability that both dine out more than once per week c. find the probability that at least one of the two dines out more than once per week d. which of the events can be considered unusual