In a sample of 800 U.S. adults, 211 dine out at a reaaurant more then once per c

Question

In a sample of 800 U.S. adults, 211 dine out at a reaaurant more then once per complate parts (a) theough (d) (a) Find the The probability that both adults dine out more than ance per wooki Round to three decimal places as needed) 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 te two adits dnes out more tan per woek Round to three decimal places as needed.) ( unusual? Explain. Select all that appy (d) Which of the events can be considered A. None of these events are unusual B, The evont in part (e)sunsual becaustspotabity is est han or euabaos C. The event in part (b) is n sual because its probabily is lees tw ore u. todos D. The event in part (a)sunusual because its probabley sless tan or equal to o os. MacBook Air 0 '3 sc 6 5 4

Explanation / Answer

a) P( both dienout more than once) = 211/800* 210/799 = 0.06932

b) P( neither dines out more than * 588/799] = 0.54182

c) P( at least one ) = 1 - both-none = 1 - 0.06932 - 0.54182 = 0.38886

D) None of the events is unusual.

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