Three Factory Workers Work Independently Assembling Office Chairs for a Local

Multiple Choice

Three factory workers work independently assembling office chairs for a local furniture wholesaler.Each worker completely assembles one chair per day.Worker number 1 has a defect rate of 0.01, worker number 2 has a defect rate of 0.15, and worker number 3 has a defect rate of 0.19 (workers 2 and 3 are very poor workers) .What is the probability that on any given day, the workers produce three defective chairs?

A) 2.85 × 10-4
B) 0.35
C) 2.315 × 10-11
D) 0.2%