When you have the average production of three machines, it is easy to calculate the average or mean production. You just add up the three means and divide by three. But what if I want the average ...

To determine the variance in gross profit margin that these two types of adjustments create, calculate the margin for each price/cost scenario, and subtract the results. The difference between ...

As long as you own a well-diversified portfolio of growing companies, you should see the value of your investments grow over time. Amazon stock climbed 1,300% over the last decade and tacked on 45 ...

This is Neyman allocation so the solution has n1/n = 0.8 x 2 / ( 0.8 x 2 + 0.2 x 4)=2/3. Plug n1=2n/3 and n2=n/3 into the variance formula and solve for n. For part b you must minimize n=n1+n2 subject ...

Tom and Amanda, both 60, self-employed and semi-retired, plan to spend $115,000 to $120,000 a year after-tax in 2024 dollars to age 95-plus. Are they on track to generating enough income to meet their ...

The financial industry is always changing and in need of professionals. We interviewed two portfolio managers to see how a typical workday goes and to provide a glimpse of what your life might ...