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Past Exam for STAT 4714 - Prob & Stat for EE with McGill at Virginia Tech (VT)

Exam Information

Material Type:Exam 1
Professor:McGill
Class:STAT 4714 - Prob & Stat for EE
Subject:Statistics
University:Virginia Polytechnic Institute And State University
Term:Spring 2006
Keywords:
  • Either...or
  • The Independent
  • Independent
  • Different Colors
  • Association
  • Independent Events
  • Following Statements
  • Probability.
  • Partial Credit
  • Extra Credit
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Sample Document Text

ID: 1. During the winter in Colorado, Mr. Krabs has trouble starting his two cars. The probability the first car starts is 0.50, and the probability that the second car starts is 0.30. There is a probability of 0.15 that both cars start. What is the probability that Mr. Krabs cannot start either car? a. 0.20 b. 0.65 ~D 0.35 d. 0.80 2. For two events, A and B, peA) = 0.4 and PCB) = 0.2. If A and B are independent, the P(AIB) and the ~(AUB) are respectively equal to which of the following? -; '-'"a) 0.4 and 0.08 . , '- I ' I 1. '/O:?~ b) 0.2 and 0.52_- .1 .-~,-".:..~. c) 0.2 and 0.6 . L I LI +-, 1. ' -. 0 '6 ~0.4andO.6 ~.4andO.52 , . 3. 90% of trees planted by a tree firm survive. What is the probability that if 10 trees are planted, that 2 dSt~ot survive? 7y.19371 02445 '- b. 0.0100000000 c. 0.8100000000 d. 0.00Q0003645 r@!frion~ 'Qfthe above 4. You operate a restaurant and read in a report from the National Restaurant Association that 40% of adults who eat out...

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