Regular physical examinations are conducted annually as part of a health service program for Phoenix, Inc., employees. It was discovered that 8 percent of the employees need corrective shoes, 15 percent need major dental work, and 3 percent need both corrective shoes and major dental work.
What is the probability that an employee selected at random will need either corrective shoes or major dental work?
P(An employee selected at random will need either corrective shoes or major dental work)
A complete, neat and step-by-step solution is provided to the question using brief calculations to determine probability.