Posted by Jamie on Sunday, October 24, 2010 at 10:15pm.
1) A lottery draws six numbers from 42 possibilities, without regard to order. What is the total number of possible results of the drawing.
In the lottery from the before, what is the probability that you pick the winnin number?
In the Lottery from number 1, you pay the state of cailfornia 1 dollar for a ticket. If you pick the winning number, your state pays 10,000,000. What is the expected value of buying one ticket for you?what is expected value of you of you buying one ticket for the state?

Liberal arts math  Reiny, Sunday, October 24, 2010 at 11:17pm
total number of choices for 6 from 42
= C(42,6) = 5245786
so the prob of winning = 1/5245786
expected winnning = (1/5245786)(10000000) = 1.9
(This lottery is going bankrupt !)

Liberal arts math  Jamie, Monday, October 25, 2010 at 2:14am
what is the expected value for buying a ticket?

Liberal arts math  OTHNIEL.S, Friday, May 10, 2013 at 2:19pm
CAN YOU HELP ME
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