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Mathematics, 28.02.2020 23:28, christib
A professor pays 25 cents for each blackboard error made in lecture to the student who pointsout the error. In a career ofnyears filled with blackboard errors, the total amount in dollarspaid can be approximated by a Gaussian random variableYnwith expected value 40nandand variance 100n. a. What is the probability that Y20 exceeds 1000?b. How many years n must the professor teach in order that P(Y_n > 1000) > 0.99?
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A professor pays 25 cents for each blackboard error made in lecture to the student who pointsout the...
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