FunQuiz 2.5

Annie Aceum typically gets 95% of her test questions correct. If she is going to take a test today, which of the following is most likely?

• Getting 1 out of 3 right

• Getting 2 out of 6 right

• Getting 6 out of 18 right

• Getting 20 out of 60 right

Fred the flipper flips a coin 10 times and gets 10 heads. If he plans to flip the coin a total of 50 times how many heads should he expect?

• 10

• 25

• 30

• 50

When should Fred expect his first tail?

• On the 11th flip

• On the 21st flip

• On the 31st flip

• None of the above

• When Mr Brenner interferes

A raffle sells tickets with values according to the table. What is the expected value of a ticket?

• .50

• 2.30

• 5.00

• 23.00

A game is being designed to have an expected value of $.24. The game will have one $10 prize and two $1 prizes. How many ways should the zero value prize be presented to players to make the expected value of playing $.24?

• 3

• 12

• 24

• 47