Routine physical examinations are conducted annually as part of a health service program for the employees. It was discovered that 8% of the employees needed corrective shoes, 15% needed major dental work and 3% needed 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?
A) 0.20
B) 0.25
C) 0.50
D) 1.00

Question

Quizplus · Accepted Answer

The probability of needing corrective shoes is 0.08, and the probability of needing major dental work is 0.15. The probability of needing both is 0.03. So, the probability of needing either is 0.08 + 0.15 - 0.03 = 0.20.

Routine Physical Examinations Are Conducted Annually as Part of a Health