A leading website reported at one time that the average number of weeks an individual is unemployed is 44 weeks. Assume that unemployment length is normally distributed with a mean length of 44 weeks an:
a) The probability that an individual is unemployed for more than 50 weeks.
b) The probability that an individual is unemployed for less than 30 weeks.
c) The probability that an individual is unemployed exactly for 44 weeks.
d) The probability that an individual is unemployed for at least 40 weeks.