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Mathematics, 25.02.2020 21:26 trevinojazzy8625

Suppose you start at a point, and every minute you flip a coin. If the coin is head you move 1 foot north. If it is tails you stay in the same spot.

At n minutes, what is the exact probability distribution of the number of feet north you have moved.

What is the standard deviation of the number of feet you have moved.

After 3000 minutes what is the approximate probability you’ve moved between 1470 and 1520 feel north?

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