117. Computing Marginal Probability from Partitions
easy
A factory has two machines. Machine A produces 60% of items and has a 3% defect rate. Machine B produces 40% of items and has a 5% defect rate. What is the overall defect rate?
A factory has two machines. Machine A produces 60% of items and has a 3% defect rate. Machine B produces 40% of items and has a 5% defect rate. What is the overall defect rate?