The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to Normal distribution with mean 21 and standard deviation 10.
The probability is 0.3 that a randomly selected January day in Columbus will have a high temperature greater than _______ degrees. Which number completes the sentence correctly?
A. 26.2
B. 15.8
C. 21.52
D. None of the above