Mathematics, 21.10.2019 21:30 Nyasiabaltimore3
An unfair coin is flipped. if a head turns up, you win $1. if a tail turns up, you lose $1. the probability of a head is . 63 and the probability of a tail is . 37. let x be the random variable for the amount won on a single play of this game. what is the expected value of the game?
Answers: 2
has the following probability mass function:
![\mathbb E[X]=\displaystyle\sum_xxp(x)=p(1)-p(-1)=0.26](/tpl/images/0339/2508/5547a.png)
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An unfair coin is flipped. if a head turns up, you win $1. if a tail turns up, you lose $1. the prob...
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