[5] (6 points) You have been selected to be part of a police line-up for a crime committed by three perpetrators on one
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[5] (6 points) You have been selected to be part of a police line-up for a crime committed by three perpetrators on one
[5] (6 points) You have been selected to be part of a police line-up for a crime committed by three perpetrators on one victim. In this line-up, only one person will walk out to be seen at a time and will then move on. A witness to the crime will identify the person as one of the three perpetrators or not one of the three and then move on to the next person in the line-up. This is not a very reliable witness. The witness will identify anyone as a perpetrator at random with probability of 0.4. If you are the 9th person in line, what is the probability that 3 perpetrators have been identified before your turn?
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