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a b
x
F(a)
F(b)
f(x)
2
4
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X
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a
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b
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1
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12
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x
x
x
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e
x
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(Règle de LEIBNITZ)
K%L B m( A$= B J ) u%' G
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x
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x
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=
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½
¼
0 1 2 3 x
F(x)
1
a b x
2
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(distribution uniforme)
.
P(x = 3) = 1/6
P(x = 0) = 1/4
I
I
.
13
3
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9. K%L B W
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B -9,> O B 6
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cx
x
f
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q6h ', G
.