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Mathematics, 26.02.2020 03:30 marcedezebrown4736
Suppose that the streets of a city are laid out in a grid with streets running north–south and east–west. Consider the following scheme for patrolling an area of 16 blocks by 16 blocks. An officer commences walking at the intersection in the center of the area. At the corner of each block the officer randomly elects to go north, south, east, or west. What is the probability that the officer will return to the starting point after walking exactly 4 blocks?
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Suppose that the streets of a city are laid out in a grid with streets running north–south and eas...
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