Suppose you pay $10 to roll a fair die with the understanding that you will get back $17 for rolling a 1 or a 2, nothing otherwise. What is your expected value?  Round to the nearest cent.  In your response do not use any words or symbols (i.e. $).

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $10 each and will sell 800 tickets. There is one $2,000 grand prize, three $400 second prizes, and sixteen $20 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent. $ 5.6 Hint: Hint

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $9 each and will sell 600 tickets. There is one $1,000 grand prize, three $400 second prizes, and seventeen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $8 each and will sell 500 tickets. There is one $3,000 grand prize, three $300 second prizes, and sixteen $40 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent. $4

At bedtime, you read three books to your kids, Walker, Michael, and Luke. Together, they have 32 books. If you decide to randomly choose three books, what is the probability that the three you choose will consist of each of their favorite books? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Assuming you were lucky enough to win and the pay off odds were 35:1, how much money would you get back? Dont forget to include your original $5 bet in your payout. $. DO NOT include $ sign in your answer.

200,000 lottery tickets are sold for $3 each. There is one jackpot prize of $50,000, 25 second prizes of $2000, and 100 third prizes of $40. Find the expected value of your profit when you buy a ticket. Round your answer to the nearest cent.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $5 each and will sell 600 tickets. There is one $3,000 grand prize, four $400 second prizes, and eighteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $10 each and will sell 500 tickets. There is one $2,000 grand prize, three $400 second prizes, and fifteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

A job pays a salary of $45,000 the first year. During the next 25 years, the salary increases by 2,500 each year. What is the salary for this person over 20 years? Be sure to round your answer to the nearest cent and turn in all work giving mathematical evidence of your answer.