A survey of B2B marketers (marketers who focus primarily on attracting business) and B2C marketers (marketers who focus on customers) was based on 1000 B2B marketers and 1000 B2C marketers. The table below summarizes the results.Let event A be B2B marketers plan to increase the use of social media and event B be B2C marketers plan to increase the use of social media. Are the two events, increase use of social media and business focus, independent? Explain

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Business Focus Increase use of social B2B B2C media Total Yes 0507 0790 1297 No 0493 0210 0703 Total 1000 1000 2000