Smith Is a Weld Inspector at a Shipyard

question 24

Multiple Choice

Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that forthe afternoon shift 5% of all welds done will be substandard. If Smith checks 300 of the 7500 welds completedthat shift, what is the probability that he will find less than 20 substandard welds?

• A) 0.9066
• B) 0.4066
• C) 0.0934
• D) 0.5934

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