Three servers are used to store redundant files on a network. Twenty percent of the files on server #1 have been infected by malware, ten percent of the files on server #2 are infected, and no files on server #3 are infected. When a file is requested by a user, there is a probability of 30% that the file will be sent from server #1, 50% that it will be sent from server #2, and 20% that it will be sent from server #3. Which of the following is closest to the probability that a randomly requested file will be infected by malware? : 0.1 b: 0.2 c: 0.3 d: 0.4 e: 0.5 Three servers are used to store redundant files on a network. Twenty percent of the files on server #1 have been infected by malware, ten percent of the files on server #2 are infected, and no files on server #3 are infected. When a file is requested by a user, there is a probability of 30% that the file will be sent from server #1, 50% that it will be sent from server #2, and 20% that it will be sent from server #3. Which of the following is closest to the probability that a randomly requested file will be infected by malware? : 0.1 b: 0.2 c: 0.3 d: 0.4 e: 0.5