# Math

posted by .

I don't understand what to do or how to even start....

In the town of Niceville, a local lottery is held once a year for the residents. Lottery tickets cost 50 cents apiece. Each lottery ticket contains four numbers, from 1 to 20. The lottery machine will select six numbers from 1 to 20. A winning ticket, worth \$100, will contain four of the six numbers chosen by the machine.

a)How much money would a person need to spend to buy every possible combination of four numbers?

b)What is the probability, to the nearest ten-thousandth, that a person will select four correct numbers?

c)To the nearest ten-thousadnth, what is the probability that a ticket has NO correct numbers?

## Similar Questions

1. ### Statistics

"Buy a Match 6 lottery ticket every day until you win the lottery. (In a Match 6 lottery, a player chooses 6 different numbers from the set {1, 2, 3, ..., 44}. A lottery representative draws 6 different numbers from this set. To win, …

Many states prohibit their lottery tickets from being sold out of the state, so Pic-A-State would have its agents buy lotter tickets in various states and hold them there; someone in Pennsylvania would buy a claim on the tickets held …
3. ### stu

An individual with utility function U(X) = X2 bought Lottery A and Lottery B. Lottery A gives a payoff of \$2 or \$4 equally likely. Lottery B gives a payoff of \$4 or \$8 equally likely. a) Calculate the expected utility of Lottery A …
4. ### Math

In the town of Niceville, a local lottery is held once a year for the residents. Lottery tickets cost 50 cents apiece. Each lottery ticket contains four numbers, from 1 to 20. The lottery machine will select six numbers from 1 to 20. …
5. ### algebra 1

A charity fair raised \$6,000 by selling 500 lottery tickets. There were two types of lottery tickets: A tickets cost \$10 each, and B tickets cost \$60 each. How many tickets of each type were sold?
6. ### Economics

What percentage of income is spent on lottery tickets by (a) A poor family with an income of \$19,000 per year who purchase the average amount of lottery tickets for their income bracket?
7. ### Statistics

You Buy a lottery ticket to a lottery that cost \$10 per ticket. There only 100 tickets available to be sold in the lottery. In this lottery there are one \$500 prizes, two \$100 prizes and four \$25 prices. Find your expected gain or …
8. ### Statistics

You buy a lottery ticket to a lottery that cost \$10 per ticket. There are only 100 tickets available to be sold in this lottery. In this lottery there are one \$500 prize, two \$100 prizes, and four \$25 prizes. Find your expected gain …