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Mathematics, 30.10.2020 17:10 milkshakegrande101

Suppose that each day the price of a stock moves up half of a point with probability 1/2 and moves down half a point with probability 1/2. What is the probability that after 4 day, the stock gains a point?

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Suppose that each day the price of a stock moves up half of a point with probability 1/2 and moves d...
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