Q1A

P=0.1	P=0.3
P=0.5	P=0.7
P=0.9

Q1B

x=0	x=1
x=5	x=10
x=15	x=19
x=20

Q1C

(a,b)=(1,1)	(a,b)=(5,5)
(a,b)=(5,10)	(a,b)=(10,5)
(a,b)=(50,100)	(a,b)=(0.1,0.1)
(a,b)=(0.9,0.1)

Q1D: x=1

(a,b)=(1,1)	(a,b)=(0.1,0.1)
(a,b)=(5,10)	(a,b)=(50,100)

Q1D: x=5

(a,b)=(1,1)	(a,b)=(0.1,0.1)
(a,b)=(5,10)	(a,b)=(50,100)

Q1D: x=10

(a,b)=(1,1)	(a,b)=(0.1,0.1)
(a,b)=(5,10)	(a,b)=(50,100)

Q1D: x=20

(a,b)=(1,1)	(a,b)=(0.1,0.1)
(a,b)=(5,10)	(a,b)=(50,100)

Q2 A and B

Note: the answers to parts A and B are listed together. I haven't made any effort to format this nicely, but it should be reasonably comprehensible.

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