Để ước lượng trong hồ có bao nhiêu cá, người ta bắt lên 1000 con, đánh dấu, rồi thả trở lại hồ. Một thời gian sau, bắt lên 100 con thì thấy có 80 con có dấu của lần bắt trước . Hãy ước lượng khoảng đối xứng cho số cá có trong hồ với độ tin cậy 95% A. [120; 780]
B. [1138; 1386]
C. [678; 870]
D. [900; 1000]

True or false: banks are required to make electronically deposited funds available on the same day of the deposit

Kando company incurs a $9 per unit cost for product a, which it currently manufactures and sells for $13.50 per unit. instead of manufacturing and selling this product, the company can purchase product b for $5 per unit and sell it for $12 per unit. if it does so, unit sales would remain unchanged and $5 of the $9 per unit costs assigned to product a would be eliminated. 1. prepare incremental cost analysis. should the company continue to manufacture product a or purchase product b for resale? (round your answers to 2 decimal places.)

Afinancing project has an initial cash inflow of $42,000 and cash flows of −$15,600, −$22,200, and −$18,000 for years 1 to 3, respectively. the required rate of return is 13 percent. what is the internal rate of return? should the project be accepted?