This data set credit card charges contains last month's credit card purchases of 500 customers randomly selected from all customers of urbroke, a major credit card company. the marketing department of urbroke is considering a special offer for urbroke credit card holders who spent $1000 or more last month on their card. from these data construct a 95% confidence interval for the proportion of all urbroke credit card holders who will qualify for the promotion.

The revenues of a company increased by 39% in year one and decreased 22% in year two. what is the overall change over the two-year period?

Which organization was established to train the hard-core unemployed? - better business bureau- equal employment opportunity commission- environmental protection agency- affirmative action committee- national alliance of business

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.