Probability 4 Question 4
4. A signal which can be green or red with probability and respectively, is received by station and then transmitted to station . The probability of each station receiving the signal correctly is . If the signal received at station is green, then the probability that the original signal green is
(2010)
(a)
(b)
(c)
(d)
Objective Question II
(One or more than one correct option)
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Answer:
Correct Answer: 4. (c)
Solution:
- From the tree diagram, it follows that