The level of doubt regarding the decision situation where both the possible states of nature and their exact probabilities of occurrence are known is which of the following? a. risk
b. uncertainty.
c. ignorance
d. expected payoff
e. state of nature

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.

Suppose you manage an upscale restaurant in new york city. would involve writing employee schedules and a list of things to do for the chef and other kitchen staff

Teatro restoration, inc., begins renovating an old theater for urban edge productions, but after three months teatro demands an extra $250,000. urban edge agrees to pay. refer to fact pattern 13–4. if teatro says it is asking for the extra $250,000 because it has encountered extraordinary unforeseen difficulties that will add considerable cost to the project, the agreement is