The contingency table below represents employees of a communications company classified by age and field of expertise. What is the probability that a randomly selected employee age 35-45years old has business expertise?     Under 35  35-44 45+ Total  Engineering  8,399  8,663  7,072  24,134  Business  14,515  14,988  26,683  56,186  Education  6,738  5,657  8,669  21,064  Liberal Arts  11,415  11,484  12,111  35,010  Total  41,067  40,792  54,535  136,394

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