SOLUTION: If he selects 3 bills at a time what is the probability of selecting a group that has an average value of equal to or less than $25?
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Question 763966: If he selects 3 bills at a time what is the probability of selecting a group that has an average value of equal to or less than $25?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Depends on the composition of the group of bills from which the three are selected. For example: Draw three bills from a pile of twentys and fiftys. The probablity of a sum equal to $25 is zero. You need to know the number of ways that you can pull exactly 2 tens and 1 five from your pile.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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