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anonymous
 one year ago
a box contains five one dollar bills, nine five dollar bills, ten ten dollar bills, and nine twenty dollar bills. what is the expectation if one bill is selected.
$10.00
$9.00
$11.00
$12.00
anonymous
 one year ago
a box contains five one dollar bills, nine five dollar bills, ten ten dollar bills, and nine twenty dollar bills. what is the expectation if one bill is selected. $10.00 $9.00 $11.00 $12.00

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Loser66
 one year ago
Best ResponseYou've already chosen the best response.0Please, post the original question by scanning. The options are not the correct one because it doesn't link to the problem.

dan815
 one year ago
Best ResponseYou've already chosen the best response.2tells you the money on average per bill

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0dan, expectation mean probability, right?

dan815
 one year ago
Best ResponseYou've already chosen the best response.2expectation is the mean of this set yes

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0so, the options should be % form, right?

dan815
 one year ago
Best ResponseYou've already chosen the best response.2its the mean of {1,1,1,1,1,5,5,5,5,5,5,...5,10,10,10...10,20,20,20,20..,20} its mean of that set

dan815
 one year ago
Best ResponseYou've already chosen the best response.2no its not a probability, it is the mean value

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0ok, I should shut up to learn more, hehehehe... I am waiting for your explanation, please

dan815
 one year ago
Best ResponseYou've already chosen the best response.2thats it, its how to find average of these numbers

dan815
 one year ago
Best ResponseYou've already chosen the best response.2here is a simpler example if u have a set {1,2,2,3,3,3,4} what is the expected value?

dan815
 one year ago
Best ResponseYou've already chosen the best response.2to do that you would add up all the numbers and divided by the number of numbers

dan815
 one year ago
Best ResponseYou've already chosen the best response.2same thing with this example

dan815
 one year ago
Best ResponseYou've already chosen the best response.2we are just finding average of this set

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so if I pull one bill whats my answer or how do I figure it out?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0that was painfully simple.

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0But it is simple to the person who knows it like dan, not to me.

dan815
 one year ago
Best ResponseYou've already chosen the best response.2this is the theory behind finding average height of function and center x and y of areas

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The book never went over that in the chapter, I have no idea how I was supposed to know it.
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