by Dan | Aug 20, 2022 | mathematics

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;...
by Dan | Aug 20, 2022 | mathematics

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...
by Dan | Aug 20, 2022 | mathematics

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...
by Dan | Aug 20, 2022 | mathematics

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...
by Dan | Aug 20, 2022 | mathematics

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...
by Dan | Aug 20, 2022 | mathematics

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...