The marketing area

  As the manager of the human resources department at your firm, you are investigating the number of sick days employees took during the last calendar year. For employees in the marketing area, the average number of sick days is 4.8 with standard deviation 2.1;...

Coefficients of variation

  Suppose for a given month, the mean daily closing price for stock A was 142.54 and the standard deviation was 13.4. For stock B, the mean daily closing price was 82.54 with a standard deviation of 8.4.Which stock was more volatile? Stocks with greater...

Probability that your DVD player breaks

If the probability that your DVD player breaks down before the extended warranty expires is 0.028, what is the probability that the player will not break down before the warranty expires? The probability that the player will not break down before the warranty expires...

The relative unfairness of the apportionment

  The Metro City Transit System (MCTS) is made up of the red line and the blue line. The red line has five cars and averages 355 passengers per run. The blue line has six cars and averages 496 passengers per run. Solve parts a. through c. to determine which line...

The ordinary annuity

  Find the value of the ordinary annuity at the end of the indicated time period. The payment R, frequency of deposits m (which is the same as the frequency of compounding), annual interest rate r, and time period t are givenamount $1,000; quarterly; 5%; six...

Monthly payments

  Angela’s bank gave her a 3-year add-on interest loan for $5,220 to pay for new equipment for her antiques restoration business. The annual interest rate is 7.29%. How much interest will she pay? What are her monthly payments?She will pay how much in...