quiz3

# quiz3 - 10 Consider the experiment of choosing one of the...

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Quiz 3. September 15, 2010 Seat # _________ Name: _________________________ Closed book and notes. No calculators. Remember. For T/F questions, a statement is true only if it is always true. Below, assume that all probabilities mentioned are not zero. 1. (2 pts) The definition of conditional probability is P( A | B ) = 2. (2 pts) T F P( A ) = P( A | B ) P( B ) + P( A | B ) P( B ). 3. (2 pts) T F P( A | B )P( B ) = P( B | A )P( A ). 4. (2 pts) T F P( A | B ) = 1 P( A | B ). For Question 5, consider Montgomery and Runger’s Problem 2–63. Samples of emissions from three suppliers are classified for conformance to air-quality standards. The results from 100 samples are summarized in the table. conforms iiiiiiiiiiiiiii yes no 1 22 8 supplier 2 25 5 3 30

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Unformatted text preview: 10 Consider the experiment of choosing one of the 100 samples, each with equal likelihood. Let A denote the event that the chosen sample conforms to specifications. Let B denote the event that the chosen sample is from supplier 2. 5. (2 pts) Determine the value of P( A ′ | B ). (Show your logic.) ______________________________________________________________________ IE 230 – Page 1 of 1 – Schmeiser Quiz 3. September 15, 2010 Seat # _________ Name: _________________________ Write on the back any concerns about the weekly quizzes or the course in general. IE 230 – Page 2 of 1 – Schmeiser...
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quiz3 - 10 Consider the experiment of choosing one of the...

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