One of the biggest issues facing e-retailers is the ability to turn browsers into buyers. this is measured by the conversion rate, the percentage of browsers who buy something in their visit to a site. the conversion rate for a company's website was 10.1%. the website at the company was redesigned in an attempt to increase its conversion rates. a sample of 200 browsers at the redesigned site was selected. suppose that 24 browsers made a purchase. the company officials would like to know if there is evidence of an increase in conversion rate at the 5% level of significance. the company officials can conclude that there is sufficient evidence that the conversion rate at the company's website has increased using a level of significance of 0.05

Consider a small island country whose only industry is weaving. the following table shows information about the small economy in two different years. complete the table by calculating physical capital per worker as well as labor productivity. hint: recall that productivity is defined as the amount of goods and services a worker can produce per hour. in this problem, measure productivity as the quantity of goods per hour of labor. year physical capital labor force physical capital per worker labor hours output labor productivity (looms) (workers) (looms) (hours) (garments) (garments per hour of labor) 2024 160 40 1,800 14,400 2025 180 60 3,900 23,400

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

After much consideration, you have chosen cancun over ft. lauderdale as your spring break destination this year. however, spring break is still months away, and you may reverse this decision. which of the following events would prompt you to reverse this decision? a. the marginal cost of going to cancun decreases.b. the marginal cost of going to ft. lauderdale decreases.c. the marginal benefit of going to cancun increases.d. the marginal benefit of going to ft. lauderdale decreases.