The best stab at normal is probably 69 basis points — the weighted average of quarterly net chargeoffs to total loans since 1984 — which is as far back as data from the Federal ... of lending that ...

The normal distribution is the probability distribution that plots all of its values along a symmetrical bell curve, with the highest probabilities centered around the mean value and tapering out ...

The t-distribution is similar to the normal distribution ... remember that a confidence interval for the mean is a range of values, calculated from the data, meant to capture a “population ...