The owner of the west end kwick fill gas station wishes to determine the proportion of customers who use a credit card or debit card to pay at the pump. he surveys 100 customers and finds that 80 paid at the pump. a) estimate the value of the population proportion. b) develop a 95 percent confidence interval for the population proportion. c) interpret your findings.

Aproduction department's output for the most recent month consisted of 8,000 units completed and transferred to the next stage of production and 5,000 units in ending work in process inventory. the units in ending work in process inventory were 50% complete with respect to both direct materials and conversion costs. calculate the equivalent units of production for the month, assuming the company uses the weighted average method.

You are the owner of a local honda dealership. unlike other dealerships in the area, you take pride in your “no haggle” sales policy. last year, your dealership earned record profits of $1.5 million. however, according to the local chamber of commerce, your earnings were 10 percent less than either of your competitors. in your market, the price elasticity of demand for midsized honda automobiles is 4.5. in each of the last five years, your dealership has sold more midsized automobiles than any other honda dealership in the nation. this entitled your dealership to an additional 30 percent off the manufacturer’s suggested retail price (msrp) in each year. taking this into account, your marginal cost of a midsized automobile is $11,000. what price should you charge for a midsized automobile if you expect to maintain your record sales?

Suppose that a candy maker owns a building and is renting part of the building's space to a doctor. further suppose that because the candy maker is the owner, he has the right to make noise during the day while he makes candy. while the doctor cannot insist on a quiet environment, the doctor could move to a quieter building. however, rent in the next best building is $350/month more than rent in the noisy building. the candy maker can adopt a new technology that eliminates the noise for $275/month. given this situation, can the doctor find a private solution with the candy maker that will make both better off?