Question: Smith is a weld inspector at the shipyard he knows from keeping track of good and substandard welds that for the afternoon shift, 5% of
Smith is a weld inspector at the shipyard he knows from keeping track of good and substandard welds that for the afternoon shift, 5% of all welds done will be substandard . if smith checks 7,500 Welds completed that shift, what is the probability that he will find less than 20 substandard welds round of four decimal places
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