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The following data represent the number of different communication activities used by a random sample of teenagers in a given week. Complete parts (a)

The following data represent the number of different communication activities used by a random sample of teenagers in a given week. Complete parts (a) through (d). D Activities 0 1-2 3-4 5+ Total Male 21 81 58 40 200 Female 21 53 56 70 200 Total 42 134 114 110 400 (a) Are the events "female" and "0 activities" independent?

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