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probability and statistics sorulari - anlatabilecek olan var mi?

mesela biri:
Question Answer: 0.444
An alarm is designed to trigger when a human passes by it. The probability of the alarmed being
triggered in this case is 96%. However, some animals also pass by the alarm each giving a 30% chance
of triggering the alarm. There are on average four animals for each human passing the alarm.
Given that the alarm has been triggered, what is the probability that it was a human that triggered it?
Question Answer: 0.444
An alarm is designed to trigger when a human passes by it. The probability of the alarmed being
triggered in this case is 96%. However, some animals also pass by the alarm each giving a 30% chance
of triggering the alarm. There are on average four animals for each human passing the alarm.
Given that the alarm has been triggered, what is the probability that it was a human that triggered it?
- e haliyle
(04.11.17 02:55:38)

bayes theorem le direkt cikiyor.
0.96 * 0.2 / (0.96 * 0.2 + 0.3 * 0.8)
0.96 * 0.2 / (0.96 * 0.2 + 0.3 * 0.8)
- meteonur
(04.11.17 18:09:35)
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