MATH 399N Week 5 Quiz (v2) - Copy.docx - 7 Question 3.2.23...

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7. Question: 3.2.23 In a sample of 1000 U.S adults, 198 dine out at a restaurant 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. (b) Find the probability that neither adults dines out more than once per week. (c) Find the probability that at least one of the two adults dines out more than once per week. (d) Which of the events can be considered unusual? Explain. Select all that apply. 8. Question: 3.3.13 During a 52-week period, a company paid overtime wages for 17 weeks and hired temporary help for 9 weeks. During 6 weeks, the company paid overtime and hired temporary help. Complete parts (a) and (b) below. Are the events “selecting a week that contained overtime wages” and “selecting a week that contained temporary help wages” mutually exclusive? (a)

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