3. The digits 3, 5, and 7 are randomly arranged to form a one digit number and a two- digit number. Each digit can only be used once; for example, if the one-digit number is 7, then the two-digit number is either 35 or 53. What is the expected value of the product of the two numbers?
3. The digits 3, 5, and 7 are randomly arranged to form a one digit number and a two- digit number. Each digit can only be used once; for example, if the one-digit number is 7, then the two-digit number is either 35 or 53. What is the expected value of the product of the two numbers?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 1E: If a game gives payoffs of $10 and $100 with probabilities 0.9 and 0.1, respectively, then the...
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