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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Exercise 1.7.16. Consider n pair of shoes. Suppose that we take 2r of these (without looking of course), where 2r < n. What is the probability that there is no pair among these 2r shoes? Can you also compute the probability that among these 2r shoes, there is exactly one pair? Exercise 1.7.17. Consider two urns, one containing 5 red and 10 white balls, and the other with 5 white and 10 red balls. Now choose one of the urns randomly, and take two random balls from the chosen urn. Let A be the event that the first ball is red, and B be the event that the second ball is white. Are A and B independent?
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