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Unformatted text preview: number. Are the events and mutually exclusive? yes Are the events and complementary? no 4. Correct answer: The grade distribution for a certain class is shown in the following table. Grade A B C D F Frequency of Occurrence 3 9 17 4 7 Find the probability distribution associated with these data. Grade A B C D F Probability 3/40 9/40 17/40 4/40 7/40 5. Correct answer: What is the probability of arriving at a traffic light when it is red if the red signal is flashed for 25 sec, the yellow signal for 10 sec, and the green signal for 45 sec?...
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This homework help was uploaded on 04/18/2008 for the course MATH 1071 taught by Professor Marshall,k during the Fall '08 term at Colorado.
- Fall '08