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409Quiz4A - STAT 409 Fall 2009 Name Version A Quiz 4(5...

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STAT 409 Fall 2009 Name _________________________ Version A Quiz 4 (5 points) Be sure to show all your work, your partial credit might depend on it. No credit will be given without supporting work. 1. At Anytown College, the administration would like the students’ grade distribution to be 25% A’s, 30% B’s, 25% C’s, and 20% D’s. The school’s president thinks that many instructors are grading too leniently, so he takes a random sample of grades to
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