Among the employees of a certain company, 51 percent of the employees are male and 49 percent are female. In this company 70 percent of the male employees are married and 50 percent of the female employees are married. If one employee in the company is randomly selected, approximately what is the probability that he or she is NOT married?  Choose the correct choice from the following answers
A) 0.3	B) 0.6	C) 0.5	D) 0.4	E) 0.7
Much faster: draw 4 quadrants   ______________Male (51%)_____Female (49%)   Married :__________70%____________50%   Not Married:_______30%____________50%   Therefore: the probability of picking one random person Not Married (he or she) is: 0,51 x 0,30 + 0,50 x 0,50 = 0,15 + 0,25 (approx.)   Solution: approx. 0,4 (answer 0.4)
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Among the employees of a certain company, 51 percent of the employees are male and 49 percent are female. In this company 70 percent of the male employees are married and 50 percent of the female employees are married. If one employee in the company is randomly selected, approximately what is the probability that he or she is NOT married?