Hw4 solution part 2.pdf - Stat 319 Homework 4 1. Section...

Stat 319, Homework 4
1. [Section 7.3, Exercise 34] Let X
1
, . . . , X
n
be a random sample of component ...
X
i
x
i
; λ ) ≡ λ
n
exp( - λ
2. [Section 7.3, Exercise 36] Suppose waiting time for delivery of an item is ...
Hint: Note f
X
i
( x
i
) = 1
θ
2
- θ
1
I ( θ
1
< x
i
< θ
2
), in which I ( θ
1
< x
i
< θ
2
) is 1 if θ
1
< x
i
< θ
2
and 0 otherwise.
Q
n
i =1
I ( θ
1
< x
i
< θ
2
) is 1 only when all the x
i
’s are inside ( θ
1
, θ
2
) and
can be simplified.