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October 17, 2025, 09:14:00 pm
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VVVCCCEEE

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Question
« on: June 26, 2018, 07:47:03 pm »
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How do you do 10a. I tried to understand the solution but I don't get it
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Bri MT

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Re: Question
« Reply #1 on: June 27, 2018, 07:33:44 am »
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The top row represents the events

The 2nd row represents the probability of each event occurring.

In this case, the events are the change in money you experience (lose 3 dollars, lose 2 dollars, gain 1 dollar, gain 3 dollars)

The probabilities need to be calculated based on a coin having a .5 chance of heads and a .5 chance of tails.
Eg. 1/2 * 1/2 * 1/2 = 1/(2*2*2) = 1/8
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