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Mathematical statistics, Exams of Statistics

Al-Aqsa UniversityStatistics

The binomial distribution with independent trials approximation to normal distribution when the sample size is large

Typology: Exams

2016/2017

Uploaded on 09/30/2017

OSAMA-ALSATTARI
OSAMA-ALSATTARI 🇵🇸

4.6

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If P(success) = 0.8 in the class contains 50 students ~BIN(50,0.8) ince,n = 50 > 30 > X~N(p,07) => X~N(40,8) 1 1 X+5-H 30+5-40 Therefore, P(X <30)=@ eee pee 7 . p(—3.36) = 1 — w(3.36) = 1— 0.99961 = 0.00039 IMR.OSAMA A.A. ALSATTARI