@ $11 b $10 © $6 O $4

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $6 each and will sell 500 tickets. There is one $1,000 grand prize, four $400 second prizes, and eighteen $40 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.$

If she made the last free throw, then her probability of making the next one is 0.6. On the other hand, If she missed the last free throw, then her probability of making the next one is 0.5.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $8 each and will sell 800 tickets. There is one $2,000 grand prize, two $500 second prizes, and eleven $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

An insurance company sells a $12,000, five-year term life insurance policy to an individual for $640. Find the expected return for the company if the probability the individual will live for the next five years is 0.98. (Round your answer to the nearest cent.) (Don't Hand writing in solution) .

A junk drawer at home contains nine pens, five of which work. What is the probability that you randomly grab two pens from the drawer and don’t end up with a pen that works? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

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.

Suppose you play a game of rolling a 12-face die. You win if you roll a “3” or “6” or “9”. Otherwise, you lose. a. What is the probability of winning a game? Your answer is 1/4 . Write your answer in decimal number. b.   What is the probability of losing a game? Your answer is   Write your answer in decimal number. c. Suppose you pay $10 to play the game. You get $10 if you win. Otherwise, you lose the $10. What is your expected value of betting on “3”, “6”, “9”. Hint: 10 x (probability of winning) + (–10) x (probability of losing). Your answer is   Write your answer in decimal number. d. What is your expected value of betting on “3”, “6”, “9” for 50 times. Your answer is

Suppose that at a college, 55% of the students earn a degree at the end of four years and 27% earn a degree at the end of five years. What is the probability of earning a degree at the end of four or five years? Give your answer exactly as a decimal (not as a percent).

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.