quiz2

# quiz2 - conforms iiiiiiiiiiiiiii yes no 1 22 8 supplier 2...

This preview shows page 1. Sign up to view the full content.

Quiz 2. January 26, 2011 Seat # _________ Name: _________________________ Closed book and notes. No calculators. In probability, we always have an experiment. 1. (1 pt) The set of all _______________ is called the sample space. 2. (1 pt) Each _______________ of the experiment results in exactly one outcome. 3. (1 pt) An event is {a,an} ______________ of the sample space. 4. (1 pt) T F An event A and its complement partition the sample space. 5. (1 pt) T F If n events E 1 , E 2 , . . . , E n are equally likely then P( E i ) = 1 / n . 6. (1 pt) T F If events A and B are mutually exclusive, then P( A B ) = . For Questions 7 and 8, 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.
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: conforms iiiiiiiiiiiiiii yes no 1 22 8 supplier 2 25 5 3 30 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. 7. (two pts) Determine the value of P ( B ′ ). (Show your logic.) 8. (two pts) Determine the value of P ( A ′ ∪ B ′ ). (Show your logic.) ______________________________________________________________________ Write on the back any concerns about the weekly quizzes or the course in general. IE 230. – Page 1 of 1 – Schmeiser...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online