The addition rule for means extends to sums of any number of random variables. let’s look at a portfolio containing three mutual funds. the monthly returns on fidelity magellan fund, fidelity energy fund, and fidelity japan fund for the 60 months ending in august 2008 had approximately these means: what is the mean monthly return for a portfolio consisting of 50% magellan, 30% energy, and 20% japan?

A.j. was a newly hired attorney for idle time gaming, inc. even though he reported directly to the president of the company, a.j. noticed that the president always had time to converse with the director of sales, calling on him to get a pulse on legal/regulatory issues that, as the company attorney, a.j. could have probably handled. a.j. also noted that the hr manager’s administrative assistant was the go-to person for a number of things that would make life easier at work. a.j. was recognizing the culture at idle time gaming.

Lindor inc.'s $100 par value preferred stock pays a dividend fixed at 8% of par. to earn 12% on an investment in this stock, you need to purchase the shares at a per share price of

Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 3%. a mutual-fund rating agency randomly selects 27 months and determines the rate of return for a certain fund. the standard deviation of the rate of return is computed to be 2.19%. is there sufficient evidence to conclude that the fund has moderate risk at the alpha equals 0.05 level of significance? a normal probability plot indicates that the monthly rates of return are normally distributed.