A survey of both staff and managers were asked to indicate what business are tec

Question

A survey of both staff and managers were asked to indicate what business are technical skills are critical to their job. Use the results from the poll, which are summarized in the accompanying table, to answer parts (a) through (d) below. a. Given that a professional is staff, what is the probability that the professional indicates analyzing data as critical to his or her job? 0.3080 b. Given that a professional is staff, what is the probability that the professional coos not indicate analyzing data as critical to his or her job? 0.6920 c. Given that a professional is management, what is the probability that the professional indicates analyzing data as critical to his or her job? 0.1147 d. Given that a professional is management, what is the probability that the professional does not indicate analyzing data as critical to his or her job 0.8853

Explanation / Answer

1) Required probability =n(Critical/Staff) = n(Critical and Staff) /n(Staff) = 607/1971 = 0.308

2) Required probability = 1364/1971 =0.6920

3) Required Probability =226/1745 =1971

4)*Required probability =1744/1971=0.8853

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