The records of a computer retail store show that out of the 20 customers who purchased a desktop computer last month, all but 5 also purchased a service plan
that extends the warranty for an extra year. Out of the 50 customers who purchased a notebook computer last month, all but 19 purchased the same service
plan.

Ifound this on google “a skewed (non-symmetric) distribution is a distribution in which there is no such mirror-imaging. a "skewed right" distribution is one in which the tail is on the right side. a "skewed left" distribution is one in which the tail is on the left side. the above histogram is for a distribution that is skewed right.” i hope this you for what your looking for