The Zimmerman Agency conducted a study for Residence Inn by Marriott of business travelers who take trips of five nights or more.
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- n = 12 and p = .30
- n = 30 and p = .75
- n = 14 and p = .50
Topic 7
6.19. Where appropriate, work the following binomial distribution problems by using the normal curve. Also, use Table to find the answers by using the binomial distribution and compare the answers obtained by the two methods.
- P(x = 8|n = 25 and p = .40) = ?
- P(x ≥ 13|n = 20 and p = .60) = ?
- P(x = 7|n = 15 and p = .50) = ?
- P(x < 3|n = 10 and p = .70) = ?
Topic 8
6.20. The Zimmerman Agency conducted a study for Residence Inn by Marriott of business travelers who take trips of five nights or more. According to this study, 37% of these travelers enjoy sightseeing more than any other activity that they do not get to do as much at home. Suppose 120 randomly selected business travelers who take trips of five nights or more are contacted. What is the probability that fewer than 40 enjoy sightseeing more than any other activity that they do not get to do as much at home?
