problem 2. in an attempt to determine some off-the-job factors that might be indicators of onthe-job effectiveness, a company made a study of 200 of its employees. it was interested in whether the employees had been recognized for superior work by their supervisors within the past year, whether they were involved in community activities, and whether they followed a regular exercise plan. the company found the following: 30 answered "yes" to all three, 50 were recognized and they exercised, 52 were recognized and were involved in the community, 77 were recognized, 37 were involved in the community but did not exercise, 95 were recognized or were involved in the community, 95 answered mathfrak ^ 66 n0^ 97 to all three.
(c) how many exercised or were involved in the community?
(a) draw a venn diagram that represents this information.
(b) how many exercised only
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Sinh Học lớp 12
