A manufacturing company measures the weight of boxes before shipping them to customers. If the box weights have the population mean and standard deviation of 90 lbs. and 24 lbs. respectively, then based upon a sample size of 36 boxes, the probability that average weight of the boxes will be less than 94 lbs. is
A. 34.13%
B. 84.13%
C. 15.87%
D. 56.36%
E. 16.87%