"After a tumultuous period in the stock​ market, Logan Morgan is considering an investment in one of two portfolios. Given the information that​ follows, which investment is​ better, based on risk​ (as measured by the standard​ deviation) and return as measured by the expected rate of​ return?" Portfolio A Portfolio B
Probability Return Probability Return
0.22 -4% 0.08 3%
0.50 20% 0.25 10%
0.28 23% 0.38 13%
0.29 17%

a. The expected rate of return for portfolio A:
b. The standard deviation of portfolio A is:
c. The expected rate of return for portfolio B is:
d. The standard deviation of portfolio B is:

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

10.     lucy is catering an important luncheon and wants to make sure her bisque has the perfect consistency. for her bisque to turn out right, it should have the consistency of a. cold heavy cream. b. warm milk. c. foie gras. d. thick oatmeal. student d   incorrect

Salaries are $4,500 per week for five working days and are paid weekly at the end of the day fridays. the end of the month falls on a thursday. the accountant for dayton company made the appropriate accrual adjustment and posted it to the ledger. the balance of salaries payable, as shown on the adjusted trial balance, will be a (assume that there was no beginning balance in the salaries payable account.)