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Unformatted text preview: Summary: Normal Approximations
( independent trials in each sample) X : If n ≥30 then approximately where X ~ N ( µX ,σ X )
σ σX = . n µX = µ and ˆ P: If np ≥ 10 and n(1 − p ) ≥ 10 and binomial criteria hold
then approximately where ˆ P ~ N ( µP ,σ P ) ˆ ˆ
σP = ˆ
p (1 − p ) . n µP = p ˆ and n = sample size 1 ...
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This note was uploaded on 03/01/2009 for the course STAT PSTAT 5A taught by Professor Gellar during the Spring '09 term at UCSB.
- Spring '09