A random sample of 625 12-ounce cans of fruit nectar is drawn from among all cans produced in a run. Prior experience has shown that the distribution of the contents has a mean of 12 ounces and a standard deviation of 0.12 ounce. What is the probability that the mean contents of the 625 sample cans is less than 11.994 ounces?
a) 0.156
b) 0.146
c) 0.136
d) 0.106
e) 0.116
f) None of the above