7. If the probabilities that a cell phone technician will repair 5, 6, 7, 8, 9, or 10 or more cell phones on any given day are 0.12, 0.15, 0.15, 0.26, 0.13, 0.17, and 0.11, what is the probability...

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Extracted text: 7. If the probabilities that a cell phone technician will repair 5, 6, 7, 8, 9, or 10 or more cell phones on any given day are 0.12, 0.15, 0.15, 0.26, 0.13, 0.17, and 0.11, what is the probability that he will repair at least 7 cell phones on the following day?