colinqiu

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Help!

Six teams play a single round-robin tournament, in which each team plays every other team exactly once, there are no ties, and for each team, the probability of winning any given game is 1/2. What is the probability that at least two different teams finish read more ..

colinqiu May 14, 2024

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Counting Problem

How many ways are there to color the 4x4 grid so that each unit square is red, blue, green or yellow, and so that each unit square is the same color as exactly two of the unit squares that share a side with it?
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colinqiu May 14, 2024

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2

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+12

Hard Counting and Probability

A fair coin is tossed repeatedly until either heads comes up three times in a row or tails comes up three times in a row. What is the probability that the coin will be tossed more than 10 times? Express your answer as a common fraction.
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colinqiu May 9, 2024