8. At Betropolis U. the scores of the History Exam are a Triangular Distribution with a low of 0 and a high of 100 and a most likely score of 70 (the mode). a. What is the probability that a student got an A; that is scored between 90 and 100? You answer should be correct to 3 places after the decimal point. b. What is the Expected value of the Random Variable? Your answer should be correct to 3 places after the decimal point.
8. At Betropolis U. the scores of the History Exam are a Triangular Distribution with a low of 0 and a high of 100 and a most likely score of 70 (the mode). a. What is the probability that a student got an A; that is scored between 90 and 100? You answer should be correct to 3 places after the decimal point. b. What is the Expected value of the Random Variable? Your answer should be correct to 3 places after the decimal point.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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