Consumer Reports rated airlines and found
that 86% of the flights involved in the study arrived on
time (that is, within 15 minutes of scheduled arrival time).
Assuming that the on-time arrival rate is representative of the
entire commercial airline industry, consider a random sample
of 220 flights. (Round your answers to two decimal
places.)
What is the expected number that will arrive on time?
What is the standard deviation of this distribution?