Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Which external factor has enabled addition of special effects in advertisements and tracking of responses of customers over websites?

Environmentalists are concerned about emissions of sulfur dioxide into the air. the average number of days per year in which sulfur dioxide levels exceed 150 milligrams per cubic meter in milan, italy, is 29. the number of days per year in which emission limits are exceeded is normally distributed with a standard deviation of 4.0 days. what percentage of the years would exceed 37 days?

Required information lansing company’s 2017 income statement and selected balance sheet data (for current assets and current liabilities) at december 31, 2016 and 2017, follow. lansing company income statement for year ended december 31, 2017 sales revenue $130,200 expenses cost of goods sold 53,000 depreciation expense 17,500 salaries expense 29,000 rent expense 10,100 insurance expense 4,900 interest expense 4,700 utilities expense 3,900 net income $7,100 lansing company selected balance sheet accounts at december 31 2017 2016 accounts receivable $6,700 $8,000 inventory 3,080 2,090 accounts payable 5,500 6,800 salaries payable 1,100 810 utilities payable 440 270 prepaid insurance 370 500 prepaid rent 440 290 required: prepare the cash flows from operating activities section only of the company’s 2017 statement of cash flows using the indirect method. (amounts to be deducted should be indicated with a minus sign.)