01_28_1ans - STAT 408 Examples for Spring 2009 The...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
STAT 408 Examples for 01/28/2009 Spring 2009 The conditional probability of A, given B (the probability of event A, computed on the assumption that event B has happened) is P ( A B ) P ( A B ) =   ( assuming P ( B ) 0 ) . P ( B ) Similarly, the conditional probability of B, given A is P ( A B ) P ( B A ) =   ( assuming P ( A ) 0 ) . P ( A ) C C ' B 0.10 0.45 0.55 B ' 0.20 0.25 0.45 1. The probability that a randomly selected student at Anytown College owns a bicycle is 0.55, the probability that a student owns a car is 0.30, and the probability that a student owns both is 0.10. P(B) = 0.55, P(C) = 0.30, P(B C) = 0.10. 0.30 0.70 1.00 a) What is the probability that a student owns a bicycle, given that he/she owns a car ? P( B
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/27/2009 for the course STAT 420 taught by Professor Stepanov during the Spring '08 term at University of Illinois at Urbana–Champaign.

Page1 / 3

01_28_1ans - STAT 408 Examples for Spring 2009 The...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online