the daily lottery costs $1 to play. Bella must pick four digits in order from 0 to 9 and duplicates are allowed. If she wins the lottery. Determine whether the lottery is a fair game. If the fame is not fair, determine a price for playing the game that would make it fair.
the expected value of the lottery is?

Question

the daily lottery costs $1 to play. Bella must pick four digits in order from 0 to 9 and duplicates are allowed. If she wins the lottery. Determine whether the lottery is a  fair game. If the fame is not fair, determine a price for playing the game that would make it fair.
the expected value of the lottery is?

anonymous · Answer

what does she win if she wins?  here it is $50 for $1 so the expected value is -.5 or negative fifty cents.

anonymous · Answer

oops that is for the three digit number.  not sure what it is for the 4 digit one.

anonymous · Answer

?