1) Jill purchased a share for $30 last year. She found out today that she had a -100 per cent return on his investment. Which of the following must be true?

Select one:

a.The share is worth $30 today

b.The share is worth $0 today

c.The share paid a dividend during the year.

d.Both b and c must be true.

2) In a game of chance, the probability of winning a $50 prize is 30 per cent, and the probability of winning a $100 prize is 70 per cent. What is the expected value of a prize in the game?

Select one:

A.$50

B.$85

C.$80

D.$100

3) In the next year, you expect ANZ shares have a 20% chance of earning 10 percent return, a 50% chance of earning only 2 percent and a 30% chance of earning -10 percent. Based on this, what is the variance of ANZ's expected return?

Select one:

A.7.2110

B.0.0052

C.0.0000

D.5.20%