The population of a certain country was studied in an article. The authors examined the different occupations for males and females in the country. The accompanying table is a frequency distribution of occupation type for males taking part in a survey. (Note: M=manufacturing, N=nonmanufacturing.)

Complete parts (a) through (d) below.

a. Find the probability that a randomly selected male's occupation is

technical.

The probability that a randomly selected male's occupation is

technical is?