Envelopes of Cash

 

Suppose you have six envelopes to choose.

Four empty and two with $100.00 bills in them.

You are allowed to choose two envelopes at random.

 

What is more likely?

 

 

What is your selection?

 

Explain why you made your selection.

 

 

 

 

 

 

 

 

 

 

Hint

Generate the different possible combinations of envelopes that could be drawn. Then suppose that $100.00 wee put into two of them. Figure the possibities of different combinations.

Envelopes Envelopes paired with others
envelope 1 12 13 14 15 16
envelope 2   23 24 25 26
envelope 3     24 35 36
envelope 4       45 46
envelope 5         56
envelope 6          

 

Dr. Robert Sweetland's notes
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