Homework Clinic

Mathematics Clinic => Statistics => Topic started by: bobbysung on Jan 16, 2020

Title: Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds ...
Post by: bobbysung on Jan 16, 2020

Smith is a weld inspector at a 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 300 of the 7500 welds completed that shift, would it be unusual for Smith to find 30 or more substandard welds?
◦ No
◦ Yes

Title: Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds ...
Post by: akemokai on Jan 16, 2020

Yes