Questions from Business Statistics

Q: An airline promotion to business travelers is based on the assumption that

An airline promotion to business travelers is based on the assumption that two-thirds of business travelers use a laptop computer on overnight business trips. a. State the hypotheses that can be used...

Q: Members of the millennial generation are continuing to be dependent on their

Members of the millennial generation are continuing to be dependent on their parents (either living with or otherwise receiving support from parents) into early adulthood. A family research organizati...

Q: According to Inc.com, 79% of job seekers used

According to Inc.com, 79% of job seekers used social media in their job search in 2018. Many believe this number is inflated by the proportion of 22- to 30-year-old job seekers who use social media in...

Q: A radio station in Myrtle Beach announced that at least 90%

A radio station in Myrtle Beach announced that at least 90% of the hotels and motels would be full for the Memorial Day weekend. The station advised listeners to make reservations in advance if they p...

Q: The manager of the Danvers-Hilton Resort Hotel stated that the

The manager of the Danvers-Hilton Resort Hotel stated that the mean guest bill for a weekend is $600 or less. A member of the hotel’s accounting staff noticed that the total charges...

Q: Vegetarians are much less common in the United States than in the

Vegetarians are much less common in the United States than in the rest of the world. In a 2018 survey of 11,000 people in the United States, VeganBits found 55 who are vegetarians. a. Develop a point...

Q: Shorney Construction Company bids on projects assuming that the mean idle time

Shorney Construction Company bids on projects assuming that the mean idle time per worker is 72 or fewer minutes per day. A sample of 30 construction workers will be used to test this assumption. Assu...

Q: A federal funding program is available to low-income neighborhoods.

A federal funding program is available to low-income neighborhoods. To qualify for the funding, a neighborhood must have a mean household income of less than $15,000 per year. Neighborhoods with mean...

Q: H0: µ = 120 and Ha: µ ≠ 120 are

H0: µ = 120 and Ha: µ ≠ 120 are used to test whether a bath soap production process is meeting the standard output of 120 bars per batch. Use a .05 level of significance for the test and a planning va...

Q: According to Ericsson’s 2016 ConsumerLab TV & Media report, the average

According to Ericsson’s 2016 ConsumerLab TV & Media report, the average person in the United States spends 23 minutes per day channel surfing. The file ChannelSurfing provides the number of minutes pe...