Test: Common Core: High School - Statistics and Probability

1.

Referees at a professional football game need to choose a coin for the pre-game coin toss. Studies have shown that a fair coin possesses the following standard deviation:

They test five coins by flipping them one hundred times and noting how many times each lands on heads or tails. Which of the following coin is least fair according to the standard deviation?

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Coin 4

Coin 3

Coins 2 and 5

Coin 1

Coins 1 and 4

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