In his most recent case, the infamous Sherlock Holmes believes he has caught a notorious bank robber. However, he needs a positive identification of the criminal from 55 potential witnesses.

As long as the total number of positive identifications minus the number of misidentifications is positive, Holmes can close the case.

How many of the 55 potential witnesses can misidentify the criminal without causing Holmes to lose the case?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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