What might you conclude if a random sample of 22 time intervals between eruptions has a mean longer than 87 minutes? select all that apply. a. the population mean must be less than 76, since the probability is so low. b. the population mean is 76, and this is just a rare sampling. c. the population mean may be greater than 76. d. the population mean may be less than 76. e. the population mean is 76, and this is an example of a typical sampling result. f. the population mean must be more than 76, since the probability is so low. g. the population mean cannot be 76, since the probability is so low.

scenario: hawaii and south carolina are trading partners. hawaii has an absolute advantage in the production of both coffee and tea. the opportunity cost of producing 1 pound of tea in hawaii is 2 pounds of coffee, and the opportunity cost of producing 1 pound of tea in south carolina is 1/3 pound of coffee. which of the following statements is true? a. south carolina should specialize in the production of both tea and coffee. b. hawaii should specialize in the production of tea, whereas south carolina should specialize in the production of coffee. c. hawaii should specialize in the production of coffee, whereas south carolina should specialize in the production of tea. d. hawaii should specialize in the production of both tea and coffee.