SOLUTION: In a large company, there are 3 vice presidents, 15 managers and 1 CEO. If a person is selected at random, find the probability that the person is either the CEO or a manager.

Algebra ->  Probability-and-statistics -> SOLUTION: In a large company, there are 3 vice presidents, 15 managers and 1 CEO. If a person is selected at random, find the probability that the person is either the CEO or a manager.      Log On


   

Question 575920: In a large company, there are 3 vice presidents, 15 managers and 1 CEO. If a person is selected at random, find the probability that the person is either the CEO or a manager.
Answer by jim_thompson5910(35256) About Me  (Show Source):
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P(CEO or manager) = P(CEO) + P(Manager)

P(CEO or manager) = 1/(3+15+1) + 15/(3+15+1)

P(CEO or manager) = 1/19 + 15/19

P(CEO or manager) = 16/19