A survey of a machine shop reveals the following information about its 95 employees 44 employees can run a lathe L 49 employees can run the milling machine M 56 employees can operate a punch press P 27 employees can run a lathe and a milling machine 19 employees can run a milling machine and operate a punch press 24 employees can run a lathe and operate a punch press b 10 employees can operate all three machines Construct a labelled Venn diagram to represent these data complete with numbers in each section n LNP n LU M n S Evaluate the following c How many employees cannot operate any of the three machines