Teen Communication 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).

(a) Are the events “male” and “0 activities” independent?

(b) Are the events “female” and “5+ activities” independent?

(c) Are the events “1-2 activities” and “3-4 activities” mutually exclusive?

(d) Are the events “male” and “1-2 activities” mutually exclusive?

Transcribed Image Text:

Activities 0 1-2 3-4 5+ Total Male 21 83 60 60 36 200 Female 21 53 57 69 200 Total 42 136 117 105 400