Page 160 - Math Grade 12 (Advance)

PROEUS DARA

4 6
P(X = 4) = C(IO, 4) X (0.45) (0.55) = 0.2384
5
P(X = 5) = C(IO, 5) X (0.45)\0.55) = 0.2340
6 4
P(X = 6) = C(IO, 6) X (0.45) (0.55) = 0.1595
mtlli[!JtrH1t~ x =. 4 &s x Ul~~btyrnm~thbt?i
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r::lmsgfi'f-e'fs x &'r::lrutRfit91bmnrrntithbt?i ti'i§nctli~b 4 '1
u IN 1..J ......., ........, ~u .,...

Mf~ti: E(X) = np = 10x0.45 = 4.5 fit~csgL'UUTlRLti&''t.flru~hfit~'fs X &'r::lru&Rfi

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~nl_YQltifit~ X tr::lblitsltlfifit~'eUJ'e y_ E(X) '1
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291f.nUII1 :X dlHtGHtir::lSJtS Bin(6, 0.25) '1 ?iMSlfit~tS X tr::lblitnfit9Jh
ITlnffilUdlht?i '1 tcllhttH~t:H~tiHt!lli5?ihlHlltiHhfinm '1
.......,......., ~~ ev ul, n
tt!lru E(X) = np = 6 x 0.25 = 1.5 tSU t?i1_!l~ run x = 0, l, 2, 3 thfit1§tS X '1
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0 6
P(X = 0) = C(6, 0) X (0.25) (0.75) = 0.1780
1 5
P(X = 1) = C(6, 1) x (0.25) (0.75) = 0.3560
2 4
P(X = 2) = C(6, 2) X (0.25) (0.75) = 0.2966
3
P(X = 3) = C(6, 3) x (0.25)\0.75) = 0.1318

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