Considering the following scenario, which method would be most appropriate when calculating the margin of error for the population mean?

A research scientist wants to know how many times per hour a certain strand of virus reproduces. She obtains information from 68 strands of this particular virus and finds the mean to be 7.9 with a population standard deviation known to be 5.2. The population is assumed to be skewed to the right.

A.)Normal z-distribution B.)Student's t-distribution C.) More advanced statistical techniques