A complex software system averages 7 errors per 5,000 lines of code. Determine the probability of exactly 2 errors in 5,000 lines of randomly selected lines of code. (Six Sigma Study Guide 2002.)
The probability of a salesman making a successful sales call is 0.2 when 8 sales calls are made in a day. Determine the probability of making exactly 3 successful sales calls in a day. Determine the probability of making more than 2 successful sales calls in a day. (Six Sigma Study Guide 2002.)
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