# Lecture Notes for DSCI 2710 - Data Description and Analysis with Spreadsheets with Kvanli at North Texas (UNT)

## Notes Information

 Material Type: Note Professor: Kvanli Class: DSCI 2710 - Data Description and Analysis with Spreadsheets Subject: Decision Sciences University: University of North Texas Term: Spring 2011 Keywords: Provided ThatThe IndependentExclusive OrIn the EveningConditionalDescriptionProductivityThis MorningIn the MorningMass Function

## Sample Document Text

 P(A and B) = P(A) ? P(B) provided A and B are independent  This means that events A and B don?t affect each other  This also applies to more than two events  P(A and B and C) = P(A) ? P(B) ? P(C) provided these three events are independent  P(A or B) = P(A) + P(B) provided A and B are  This means that events A and B cannot both occur mutually exclusive  This also applies to more than two events  P(A or B or C) = P(A) + P(B) + P(C) provided these three events are mutually exclusive  This example is in the textbook  A certain community has a morning paper and an evening paper  The three pieces of information: ? 20% of the people take the morning paper P(M) = .2 ? 30% of the people take the evening paper P( E) = .3 ? 10% of the people take both P(M and E) = .1 P(M or E) is 40/100 = .4 So, 40% of the people...

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