Question: In a place of business with 400 administrative workers and 300 engineering workers you want to now what they think of the work environment. You ask 50 administrative- and 30 engineering workers. To simplify you sort the answers to two categories “good” or “bad”. 46 of the administrative workers answer that the environment is “good”, 20 of the engineering workers think it is “good”. Determine the total amount of workers that think the work environment is “good”.