Solving problem N3708 Bayesian probability theory

Solving problem N3708 Bayesian probability theory

3708. Two typists typed manuscript. The first printed 1/3 of the entire manuscript, the second - the rest. The probability that the first typist made mistakes is 0.15, for the second 0.1. When checking errors were found. Find the probability that the first typist made a mistake.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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