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A professor in the MIS department of a business school claims that there is much more variability in the final exam scores of students taking the introductory MIS course as a requirement than for students taking the course as part of their majors. Random samples of 10 introductory non- MIS students and 10 MIS majors are taken from the professor's class rosters. The mean score of the non-MIS students sampled was 65 with a variance of 210.2. The average score of the MIS majors sampled was 80 with a variance of 36.5. At the .05 level of significance is there evidence to support the professor's claim that the variability of scores is higher for the non-MIS students than for the MIS majors?
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Caselet on McDonald’s vs. Burger King - Waiting time
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