In a sample of 1200 U S adults 211 dine out at a resaurant more...
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In a sample of 1200 U S adults 211 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 a 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 Select all that apply A The event in part a is unusual because its probability is less than or equal to 0 05 B The event in part b is unusual because its probability is less than or equal to 0 05 C The event in part c is unusual because its probability is less than or equal to 0 05 D None of these events are unusual
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