At a little-known vacation spot, taxi fares are a bargain. A 14-mile taxi ride takes 18 minutes and costs $.12.60 You want to find the cost of a 41-minutes taxi ride. What unit price do you need?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?