A regular die has six sides with numbers 1 to 6 marked on its sides. If a very large number of throws show the following frequencies of occurrence: 1 → 0.167; 2 → 0.167; 3 → 0.152; 4 → 0.166; 5 → 0.168; 6 → 0.180, we call this die __________

irregular
biased
Gaussian
insufficient

Correct answer: biased

Solution

For a fair die, each face should appear with probability close to 1/6 ≈ 0.167. The given frequencies are not all equal and show noticeable deviation, so the die is not fair. Such a die is called biased.

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