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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 3 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
1.72   Police plan to enforce speed limits by using radar traps at four different locations within the city limits. The radar traps at each of the  locations  L1,  L2,  L3, and L4 will be operated 40%, 30%, 20%, and 30%  of the time. If a person who is speeding on her way to work has probabilities of 0.2, 0.1, 0.5, and 0.2, respec- tively, of passing through these locations, what is the probability that she will receive a speeding ticket?
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1.73   In a certain region of the country it is known from past experience that the probability of selecting an adult over 40 years of age with cancer is 0.05.  If the probability of a doctor correctly diagnosing a per- son with cancer as having the disease is 0.78 and the probability of incorrectly diagnosing a person without cancer as having the disease is 0.06, what is the prob- ability that an adult over 40 years of age is diagnosed as having cancer?
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