Question 1
Find the expected value.
Suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling a 1 or a 2, nothing otherwise. What is your expected value of your gain or loss?
◦ $0.00
◦ -$1.00
◦ $1.00
◦ $3.00
Question 2
Find the expected value.
Suppose you buy 1 ticket for $1 out of a lottery of 1000 tickets where the prize for the one winning ticket is to be $10,000. What is your expected value?
◦ $90.00
◦ $9.00
◦ -$0.90
◦ $0.90