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February 1, 2015

February 1, 2015

Posted by **Grace** on Wednesday, April 30, 2014 at 11:14pm.

a) if a person buys 1 lottery, what is probability of winning grand prize

b) if he buys 10,000 tickets, what is probability of winning grand prize

c) how much must a person spend so that his probability of winning is 1/2

d) what are the odds against winning the lottery in this state, assuming that only 1 ticket is purchased

e) if the grand prize is $1,000,000 and there is only one winner, find a player expected value if he purchase 1 ticket (assume all tickets have been sold, all combination have been chosen, and there are no duplicate tickets

f) what states do not have a lottery?

please answer what you can and help

- Math -
**Reiny**, Thursday, May 1, 2014 at 12:02ama) prob winning = 1/C(49,6) = 1/13,983,816

b) 10,000/13,983,816

c) x/13,983,816 = 1/2 , solve for x

d) prob not winning = 13,983,815/13,983,816

odds against winning = 13,983,815 : 13,983,816

e) expected value = 1,000,000(prob of a) )

- Math -
**Anonymous**, Thursday, May 1, 2014 at 1:35pmThanks, Reiny I see you answer a lot of questions for people. Thank you for taking the time out to help others that struggle in math. Your help is greatly appreciated

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