At the "Ping Pong Ball Toss" fair booth at the fair you pay $2 to play. You have a 8% probability of winning.
A) If 2000 people visited the booth how many of them would win.
B) If the prizes given away cost $5. How much does the fair booth make off of those 2000 people?
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OpenStudy (anonymous):
This isn't a multiple choice question. It's a two part question: Part A) and part B)
OpenStudy (welshfella):
2000 * 0.08
OpenStudy (anonymous):
Wait so that's what I have to do in order to get the answer to A)?
OpenStudy (welshfella):
2000 * 0.08 is the answer to A ( 8% = 0.08 as a decimal)
OpenStudy (amistre64):
we would expect 8% of 2000 to win since that is what is stated in the problem yes.
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OpenStudy (anonymous):
ooooh. So the answer is 160? 160 people would win?
OpenStudy (welshfella):
For part B you calculate the amount of money the fair booth takes in and th eamount its expected to give out in prize money. His profit is the difference.
OpenStudy (welshfella):
160 yes
OpenStudy (amistre64):
2000 pay in $2, the table pays out 160 at $5
whats the tables expected profits for 2000 players?
OpenStudy (anonymous):
$3,200 ?
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