{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# lec11 - STATISTICS 13 STATISTICS Lecture 11 Oct 20 2010...

This preview shows pages 1–7. Sign up to view the full content.

STATISTICS 13 STATISTICS 13 STATISTICS 13 Lecture 11 Lecture 11 Oct. 20, 2010 Oct. 20, 2010

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

View Full Document
Review Regression effect Probability: basic concepts -experiment, simple events
Basic Concepts: Sample Space The set of all possible simple events of an experiment is called the sample space (usually denoted by S) corresponding to that experiment Example : Experiment : Toss two coins once Sample space : S =

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

View Full Document
Basic Concepts: Events An event (usually denoted by E, F, A, B, etc) is a collection of simple events. In another word, a subset of the sample space Any subset of the sample space (including the empty set) is an event Example : Throw a die S = {1,2,3,4,5,6} S S A A B B A : (An odd number) = {1,3,5} B : (A number > 2) = {3,4,5,6} 1 2 3 4 5 6
Basic Concepts: Mutually Exclusive Two events A and B are mutually exclusive if whenever one of them occurs the other cannot occur Example : Throw a die A: observe an odd number B: observe a number greater than 2 C: observe an even number D: observe a 3

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

View Full Document
Probability: Relative Frequency View How often does “an event” occur ?
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 20

lec11 - STATISTICS 13 STATISTICS Lecture 11 Oct 20 2010...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online