Join ExamsbookAnswer : 1. "1/3"
A coin is tossed twice if the coin shows head it is tossed again but if it shows a tail then a die is tossed. If 8 possible outcomes are equally likely. Find the probability that the die shows a number greater than 4, if it is known that the first throw of the coin results in a tail5
Q: A coin is tossed twice if the coin shows head it is tossed again but if it shows a tail then a die is tossed. If 8 possible outcomes are equally likely. Find the probability that the die shows a number greater than 4, if it is known that the first throw of the coin results in a tail
- 11/3true
- 22/3false
- 32/5false
- 44/15false
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Answer : 1. "1/3"
Explanation :
Answer: A) 1/3 Explanation: Here Sample space S = { HH, HT, T1, T2, T3, T4, T5, T6 } Let A be the event that the die shows a number greater than 4 and B be the event that the first throw of the coin results in a tail then, A = { T5, T6 } B = { T1, T2, T3, T4, T5, T6 } Therefore, Required probability = PAB=PA∩BPB=2868=13
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