audit evidence is ordinarily more reliable when it is obtained directly by the auditor rather than through client records.

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.

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.

At the beginning of 2014, winston corporation issued 10% bonds with a face value of $2,000,000. these bonds mature in five years, and interest is paid semiannually on june 30 and december 31. the bonds were sold for $1,852,800 to yield 12%. winston uses a calendar-year reporting period. using the effective-interest method of amortization, what amount of interest expense should be reported for 2014? (round your answer to the nearest dollar.)