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A particle physics discovery at 5 sigma corresponds to a chance of a random fluctuation of about
A1 in 1000 runs
B1 in 350 runs
C1 in 20 runs
D1 in 3.5 million
Answer & Solution
Correct answer: D. 1 in 3.5 million
The five-sigma standard means roughly one chance in 3.5 million of a fluke result.
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