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Suppose you have a weighted coin in which heads comes up with probability 3/4 and tails with probability 1/4. If you flip heads, you win $2 but if you flip tails, you lose $1 What is the expected win of a coin flip in dollars?

 May 9, 2021
edited by itachiuchihakujo  May 9, 2021
 #1
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You know you can ask question on bartleby.com

 May 9, 2021
edited by Guest  May 9, 2021
 #2
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So 3/4 of the time, you win 2, and 1/4 of the time, you win -1. 

3/4*2 = 6/4

1/4 * -1 = -1/4

6/4 - 1/4 = 5/4

 

Hopefully that's the answer. :))

 

=^._.^=

 May 9, 2021

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