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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 407 Weeks Ago, 5 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
5.53Â Â Â Â Â Â According to the U. S. Census Bureau, in 2007 about 10% of persons between 25 and 30 years old live alone. Let S be the event a person lives alone. If five persons in that age group are ran- domly selected,
(a)Â Â Â Find the probability of the sequence SFFSF.
(b)Â Â Â Find the probability of exactly 2 S's.
5.54Â Â Â Â Â Â A graphic designer makes a presentation to clients and this results in sales of her services in one-fourth of the cases. Assuming the re- sults for different clients are independent
(a)Â Â Â Find the probability that exactly 3 of the next 4 presentations will result in sales.
(b)Â Â Â Find the probability that none of the pre- sentations result in a sale.
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