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Cromley and Azevedo (2007) were interested in the reading-comprehension performance of ninth graders. Students' reading comprehension was assessed with a test in which population mean performance is 33, with a standard deviation of 10. (a) One of the researchers' goals was to identify the bottom 30 percent of students so that they could determine the characteristics of students who struggled with reading. What cutoff score would Cromley and Azevedo use to identify the bottom 30 percent of readers? (b) Let's say we want to identify the best 10 percent of readers to put into an advanced class. What cutoff score on the reading-comprehension test would we use?
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?
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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.
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