The UCSB Actuarial Association has a balance of $75 at January 1 and $60 at December 31. At the end of each month, the Association deposits $10 from member dues. To pay for its lavish pizza parties, the Association withdraws $5 on February 28, $25 on June 30, $80 on October 15 and $35 on October 31.
Calculate the dollar-weighted rate of return for the year.

The management at a pesticide manufacturing company has observed a decline in quality measures. the managers ask robin, the firm's hr manager, to investigate whether training might solve the problem. robin conducts needs assessment and recommends a training plan. which of the following conditions would most likely have been an observation during robin's person analysis?

Acompany is developing a new high­performance wax for cross country ski racing. in order to justify the price marketingwants, the wax needs to be very fast. specifically, the mean time to finish their standard test course should be less thanseconds for a former olympic champion. to test it, the champion will ski the course 8 times. the champion's times(selected at random) are 59.9 61.9 48.8 52.2 46.6 45.3 50.6 and 41.1 seconds to complete the test course. complete parts a and b below. a) should they market the wax? assume the assumptions and conditions for appropriate hypothesis testing are metfor the sample. assume=0.05. what are the null and alternative hypotheses? choose the correct answer below. b) suppose they decide not to market the wax after the test, but it turns out that the wax really does lower the champion'saverage time to less thanseconds. what kind of error have they made? explain the impact to the company of such anerror.

Your take on decision making process