Question 476426
16.1 - 15.2 = 0.9

By the empirical rule, values within 1 sd of the mean comprise 68% of the distribution. Hence 34% of the values are between 15.2 and 16.1.
Therefore 50% - 34% = 16% of the values must be greater than 16.1.
Hence the probability is 0.16 that X is greater than 16.1.