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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 4 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
Private Investigation: Locating People Old Friends Information Service is a California company that is in the business of finding addresses of long-lost friends. Old Friends claims to have a 70% success rate (Source:Wall Street Journal). Suppose that you have the names of six friends for whom you have no addresses and decide to use Old Friends to track them.
(a) Make a histogram showing the probability of r = 0to 6 friends for whoman address will be found.
(b) Find the mean and standard deviation of this probability distribution. What is the expected number of friends for whom addresses will be found?
(c) Quota Problem How many names would you have to submit to be 97% sure that at least two addresses will be found?
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