1( = @ 1( > 2( > 3( 4( > 2( 45 % @ @ > > > @ > > = > 1( 180 2( 162 3 ...

87f (x) =1µ = δ =λ . . 3 (37: 1−8×P(a ≤ x ≤ b) = e−λa− e−λb⇒ P(. < x < 8)= e0− e 8 = 1−e−11. µ = δ = λ1 1 1λ = ⇒ µ = δ = = = 55 λ 15µ ± 3δ= 5 ± ( 3×5)= ( −1020, )δxλe− λx1 = µ x = =λX ≥. 3 (38. λ = 3 . 4 (39130 , λ >0P(a ≤ x ≤ b) = e−λa− e−λb⇒ f (x)X1e − 88X ≥00 . 1 (40= e−3×1− e−3×3= e−3− e−9: . 2 (41=0λ = 10f (x) == 0110−xe 10P(x > a + b x > a) = P(x > b)P(x > 10x> 5)= P(x > 5)P(x ≥ a) = e−λa⇒ P(x > 5)= e−0/50< x < ∞ . 1 (42