Page 153 - Math Grade 12 (Advance)

PROEUS DARA

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':) r cf IQI 0
l. HtGHtH:fSJfflli R 'HlSH~t113StH1f11&nL1HT1'li P(R=r) = c(3-r) utmg
u
r = 0, 1, 2, 3 '1 t1ill1Slnt13 c Wt1MUfil'liMMHiltitltillltl&'tin~'lilfl'li '1
"" u u li
u
':) I cf I Ql
2. H td Hli tlSJ fflli X 'Hl 2 H 9 t113 2 tl ti f11 tnL'lilfl'li ~uti1;Tl QJ m13 mnb :nb &UJ113
u

X -3 -2 -I 0

P(X = x) 0.1 0.25 0.3 0.15 d

2. P(-3:S:X<O) t1. P(X>-1)

lli. P(-1 <X< 1) b. ~n '1
u
3. Htd~ttitlSJfflri X 'Hl2H9t113Stl~~tnt?Lflti P(X = x) fitmg x = 5, 6, 7, 8, 9 &'tlru
u

X 5 6 7 8 9

3 2 l 2 3
P(X = x)
1 11 11 11 11

ct
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Ql
4. HtGHLitlSJ X 'Hl2H9t113Stlti~tnl?Lfl'li
u X 1 2 3
0
P(X=x) litm& x= 1, 2, 3 '1 fiill'ISl
P(X = x) 0.1 0.4 0.5
n. E(X)
2
2. E(X )
2
t1. E(2X + 3X- 5)

lli. Var(X) '1
5. t1 illl SlOSS tlb &'tl ru Mb"'f139nrtl Sb r:tlH9'ib LflS :Jlti mnnru t rl ru run tfitlflg filRri ~
u ~ 1 ~ ~ u N'

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