Reference no: EM132207970

In a sample of 800 U.S.? adults, 188 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) Find the probability that both adults dine out more than once per week.

The probability that both adults dine out more than once per week is?

?(Round to three decimal places as? needed.)

(b) Find the probability that neither adult dines out more than once per week.

The probability that neither adult dines out more than once per week is ?

?(Round to three decimal places as? needed.)

c) Find the probability that at least one of the two adults dines out more than once per week.

The probability that at least one of the two adults dines out more than once per week is ?

?(Round to three decimal places as? needed.)

(d) Which of the events can be considered? unusual? Explain.