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MAA AMC
AMC 8
2022 AMC 8 -
25
25
Part of
2022 AMC 8 -
Problems
(1)
Cricket Hopping
Source: 2022 Winter AMC 8 #25
1/25/2022
A cricket randomly hops between
4
4
4
leaves, on each turn hopping to one of the other
3
3
3
leaves with equal probability. After
4
4
4
hops what is the probability that the cricket has returned to the leaf where it started?
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9
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19
80
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20
81
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4
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27
<span class='latex-bold'>(A)</span>~\displaystyle\frac{2}{9}\qquad<span class='latex-bold'>(B)</span>~\displaystyle\frac{19}{80}\qquad<span class='latex-bold'>(C)</span>~\displaystyle\frac{20}{81}\qquad<span class='latex-bold'>(D)</span>~\displaystyle\frac{1}{4}\qquad<span class='latex-bold'>(E)</span>~\displaystyle\frac{7}{27}
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2
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80
19
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81
20
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27
7
AMC 8