Page 143 - Math Grade 12 (Advance)

PROEUS DARA

lmf!SfJJ: H~?'i'tH~&'E:lruffitHH1.flSlnt~L'i5Lil'i5 P(X = x) crtmgl!ltint~ X
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ilbm-Jn.JT1rtl H9?11:3~E:J~httnL'i5Lil'i5tSHtd~ttii::1Sjt:t1ri X '1
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0 I 0 c;f t «::»' ':) ':) I 0 I
f/J'Cffltfl!il : HS?'i'i§S E:lb nHn'i'i5Ql'lHSHtGHuE:l S'itnu Y nMntt:t1 115
II 1 1lj tJ
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2 0 ' Q1 0
P(Y = y) = cy mmglil'li y = 0, l, 2, 3, 4 t'i..fll15 c ctlu~StGl '1
n. ?'iMSl P(Y = y) ntmgr~t1§S'i§l15')CS y WtUff1dlbu&n.nb&un'i'i5Ql'i5tS y
GV lJ lJ 1J t_;
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...
n. t'i5y=O tSlgP(Y=O)=O

"" m y = 1 t Sl g P( Y = 1) = c
...
t'i5 y = 2 tSlg P(Y=2) = 4c
...
m y = 3 tSlg P(Y = 3) = 9c
...
t'i5 y = 4 tSlg P(Y = 4) = 16c

0 Cl C) '1:)
mnbmn.nb mntymms Y
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y 0 l 2 3 4

P(Y = y) 0 c 4c 9c l6c

" . "
2. tt:t1115 Y ctlHtGHtiE:lSjtSlgl!l'i5flt~ y t?'\QlS LP(Y = y) = 1
0 ~ 1
t?'iQlS c + 4c + 9c + l6c = 1 Sl ~ c = '1
30
Lf1nf1H: HtG~tuE:lSjt:t1rl R tflSH9?1't3~E:J~httntyQl'i5 P(R = r) = c(3-r) crcmg
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iJitl r = 0, 1, 2, 3 '1

n. ?'iMSl P(R = r) ~mumnbu&'n.nb&'un'i'i5Ql'i5
lJ IJ lj
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?1. ~hlLfil'i5H~~n.m mbti&n.nb &'unL'i5Lil'i5 '1
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