What business and technical skills are critical for today's business intelligence/analytics and information management professionals? As part of Information-Week's 2012 U.S. IT Salary Survey, business intelligence/ analytics and information management professionals, both staff and managers, were asked to indicate what business and technical skills are critical to their job. The list of business and technical skills included Analyzing Data. The following table summarizes the responses to this skill:

a. Given that a professional is staff, what is the probability that the professional indicates analyzing data as critical to his or her job?
b. Given that a professional is staff, what is the probability that the professional does not indicate analyzing data as critical to his or her job?
c. Given that a professional is a manager, what is the probability that the professional indicates analyzing data as critical to his or her job?
d. Given that a professional is a manager, what is the probability that the professional does not indicate analyzing data as critical to his or her job?

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PROFESSIONAL POSITION ANALYZING DATA Staff Management Total Critical Not Critical Total 296 83 379 216 65 281 512 148 660