The weights of all packages of Alphabet cookies at Better Cookies Limited are normally distributed with a mean of 32 ounces and a standard deviation of 0.3 ounce. A random sample of 20 packages of Alphabet cookies were sampled. I) Does the sample mean give statistical evidence that the population mean μ is greater than 31.9 ounces?

II) Write a sentence explaining your answer.

An investment offers a total return of 18 percent over the coming year. janice yellen thinks the total real return on this investment will be only 14 percent. what does janice believe the inflation rate will be over the next year?

Acompany manufactures x units of product a and y units of product b, on two machines, i and ii. it has been determined that the company will realize a profit of $3 on each unit of product a and $4 on each unit of product b. to manufacture a unit of product a requires 7 min on machine i and 5 min on machine ii. to manufacture a unit of product b requires 8 min on mchine i and 5 min on machine ii. there are 175 min available on machine i and 125 min available on machine ii in each work shift. how many units of a product should be produced in each shift to maximize the company's profit p?

Banana computers has decided to procure processing chips required for its laptops from external suppliers instead of manufacturing them in their own facilities. how will this decision affect the firm? a. the firm will be protected against the principal-agent problem. b. the firm's administrative costs will be low because of necessary bureaucracy. c. the firm will have more flexibility in purchasing and comparing prices of goods and services. d. the firm will have high-powered incentives, such as hourly wages and salaries.