Answers: 3
Business, 21.06.2019 23:30
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.
Answers: 2
Business, 22.06.2019 10:40
At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:
Answers: 1
Business, 22.06.2019 22:30
Ellen and george work for the same company. ellen, a gen xer, really appreciates the flextime opportunities, while george, a baby boomer, takes advantage of the free computer training offered at the company. these policies are examples of
Answers: 3
Business, 23.06.2019 00:00
According to the video, the gross national product had declined from $104 billion in 1929 to about in 1933.
Answers: 2
Which categories of goods used by ordinary people are most affected by scarcity? Use examples from t...
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