Question

When a process has a capability index of 1, it is said to be able to meet the specification limits in 99.74% of the time. If a process is currently meeting the specification limits in 99.5% of the time, then the capability index must be:

Answer 1

Larger than 1.

Step-by-step explanation:

A process capability index measures potential for a process to generate defective outputs relative to either upper or lower specification. Its mean is centered between specification limits. It measures a producers capability to produce a product withing customer's tolerance range.