Mathematics · Probability
On every evening, a student either watches TV or reads a book. The probability of watching TV is 45. If he watches TV, the probability that he will fall asleep is 34 and it is 14 when he reads a book. If the student is found to be asleep on an evening, the probability that he watched TV is:
- 1413
- 2213
- 31213✓
- 41113
Correct answer
1213
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