The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Afirm produces a product in a competitive industry and has a total cost function (tc) of tc(q) = 60 + 10q + 2q2 and a marginal cost function (mc) of mc(q) = 10 + 4q. at the given market price (p) of $20, the firm is producing 5.00 units of output. is the firm maximizing profit? no what quantity of output should the firm produce in the long run? the firm should produce unit s) of output. (enter your response as an integer.)

Dr. dow jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. of the six sections of economics 101 at his university, dr. jones randomly assigns three sections to the traditional method and three sections to the problem-based method for unit 1 of the course. then all sections switch the instructional method for unit 2. he plans to compare the performance of the two groups of sections on their unit 1 and unit 2 exams. this study employs a design.

On january 1, 2018, jay company acquired all the outstanding ownership shares of zee company. in assessing zee's acquisition-date fair values, jay concluded that the carrying value of zee's long-term debt (8-year remaining life) was less than its fair value by $21,600. at december 31, 2018, zee company's accounts show interest expense of $14,440 and long-term debt of $380,000. what amounts of interest expense and long-term debt should appear on the december 31, 2018, consolidated financial statements of jay and its subsidiary zee? long-term debt $401,600 $398,900 $401,600 $398,900 interest expense $17,140 $17,140 $11,740 $11,740 a. b. c. d.