A player tosses a fair 6-sided dice. If the number on the die is a 3 or an If the number on the die is 2, he receives $4. For What is the expected value of this game (for the player)? any other 5, he receives number, he must pay $7. Give answer rounded to 2 decimal $5. places.

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

Decide which of these numbers could not possibly be probabilities. Explain your answers. a. 00.47 b. −0.047 c. 3.5 d. 1/3.5

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

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 eleven $40 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.

The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $10 each and will sell 700 tickets. There is one $3,000 grand prize, three $300 second prizes, and twelve $10 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.