A pair of fair dice is rolled 12 times. Note: For each roll, the probability of getting
Question:
(a) What is Pr (the result is seven exactly twice)?
(b) What is Pr (the result is seven at least twice)?
(c) What is the expected number of times that the result is seven?
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a Prget 7 twice b Pr get 7 ...View the full answer
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Related Book For 
Finite Mathematics and Its Applications
ISBN: 978-0134768632
12th edition
Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair
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