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1. Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 6 on them. What is the expected value of the number shown when we draw a single slip of paper?

 

2. Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 6 on them. What is the expected value of the number shown if we add one additional 6 to the bag. 

 Sep 28, 2021
 #1
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1. The expected value would be 3 since there are more slips of paper of a 3 then a 6.

 Sep 28, 2021
 #2
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Expected value    (3 * 8  +   2*6)/10 = 3.6

 

 

with one additional '6'

 

(3*8 + 3*6 ) /11 = 3.82

 Sep 28, 2021

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