>The idea that on a team of 20 people, during the span of a year, not a single employee (expected rate is ~5%) is underperforming is worthy of writing a justifi

>The idea that on a team of 20 people, during the span of a year, not a single employee (expected rate is ~5%) is underperforming is worthy of writing a justification. Maybe so, but the probability that the manager will have to write a justification is rather high (35.8% each year).