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Question: GENDER GAP A study of the faculty at U.S. medical schools in 2006 revealed that 32% of the faculty were women and 68% were men. Of the female faculty, 31% were full/associate professors, 47% were assistant professors, and 22% were instructors. Of the male faculty, 51% were full/associate professors, 37% were assistant professors, and 12% were instructors. If a faculty member at a U.S. medical school selected at random holds the rank of full/associate professor, what is the probability that she is female?
Second treatment had M = 52 with s^2 = 36. Do these data point to significant difference between two treatments? Use the two-tailed test with α = .05.
Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.
Find the probability of a type II error in this hypothesis test for pa = 0.38; that is, find β (0.38).- Find a value of pa such that the probability of a type II error is 0.1; that is, solve β(pa) = 0.1 for pa.
suppose 1568 of 2033 registered voters sampled said they planned to vote for the republican candidate for president.
Make a plot of the ratio of the number of boys born per year to the number of girls in the U.S. What do you see? In what year did we see the most total number of births in the U.S.?
Case study on Page 635-636 of the text BOOK: (Anderson, Sweeney, Williams, Essentials of Modern Business Statistics w/ Microsoft Excel, 5th ed., South-Western College Pub, ISBN 978-0840062383 )Alumni Giving.
When the effect of a level for one factor depends on which level of the other factor is present, use: Select one:
At a car rental agency, 0.34 of the cars are returned on time. A sample of 11 car rentals is studied. What is the probability that more than 3 of them are retur
suppose the mean systolic blood pressure in a group of individuals is 150 mmhg with a standard deviation of 15.
Consider a gambler who on each bet either wins 1 with probability 18/38 or loses 1 with probability 20/38. (These are the probabilities if the bet is that a roulette wheel will land on a speci?ed color.) The gambler will quit either when he or she..
To findout the point estimate of the difference among population mean. Elucidate the percentage increase in the number of days on the disabled list.
a popular flashlight that uses d size batteries was selected and severa of the same models were purchased to test the
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