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Question: 1. The probability that a student will attend class is p = .84. The probability that a student will skip class is p = .16. The probability that a student will both attend and skip class is p = 1.00. Explain why the last probability must be false.

2. The probability that a teenager will fall in love is p = .72. The probability that a student will play a sport is p =.55. The probability that a student will fall in love and play a sport is p = .60. Explain why the last probability must be false.

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