# math

posted by .

suppose a local symphony decides to raise money by raffling a microwave oven worth \$400, a diner for two worth \$80, and 2 books worth \$20 each. a total of 2000 tickets are sold at \$1 each. find the expected value of wining for a person who buys one ticket in the raffle.

• math -

expected value = (400 + 80 + 40)(1/2000) = .26

so the expected value of winning is 26 cents

## Similar Questions

1. ### personal finance

Katherine Kosher has determined the following information about her own finansial situation.Her checking account is worth \$850, and her savings account is worth \$1200.She owns her own home that has a market value of \$98,000.She has …
2. ### Algebra 116

in 2000, In a country A, the average family net worth was &270,000, and there were about 6.3 x 10^7 families. Calculate the total family net worth in Country A in 2000. What is the Country A's total family net worth ?
3. ### math

A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was \$230,000, and there were about 7.2*10 to the seventh power families. …
4. ### Algebra

In 2000, in Country A, the average family net worth was \$410,000, and there was about 6.1 x 10^7 families. Calculate the total family net worth Country A in 2000. Country A's total family net worth is what in dollars?
5. ### math

game show 6 blocks 3-blue worth \$5,2-red blocks worth \$10, and 1-yellow block worth \$50. Suppose 24 contestants choose and replace a block. How much money can the game show expect to pay out?
6. ### Scientic Notation

A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was 430,000 and there were about 9.2 x 10 to the seventh power families. …
7. ### Math

Janelle won 27 tickets at the fair. She traded the tickets in for 9 prizes. each prize was worth the same number of tickets. How many tickets was each prize worth?
8. ### math

I am a 6 digit number my 8 is worth 8*1000 .one of my 4's is worth 40. The other is worth 1/10 as much.My 5 is worth 50,000.MY 3 is worth 3(100's).My other number is 1. What number am I?
9. ### English

1. This book is worth reading. 2. This book is not worth 10 dollars. 3. He is worth meeting. 4. This place is worth visiting. 5. New York is worth visiting twice. 6. She is worth prasing. 7. The dog is worth buying. 8. This car is …
10. ### math

your barangay officials are planning to raise funds to help the public library.they decided to sell 4000.00 draw tickets worth 10 each. one ticket will win the prize worth 3,500.00. five tickets will each win a prize worth 700.00 each …

More Similar Questions