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Approximately 5% of cellphones coming out of the production lines have a defect. Fifty cellphones are randomly selected from the production line, and tested for

Approximately 5% of cellphones coming out of the production lines have a defect. Fifty cellphones are randomly selected from the production line, and tested for defects. [2 marks] What kind of probability distribution is this? What probability formula would you use to find the probability that 2 cell phones are defective?

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