Mathematics
Mathematics, 14.04.2020 21:32, kadinmorgan

The quality-control department of Starr Communications, the manufacturer of video-game cartridges, has determined from records that 1.2% of the cartridges sold have video defects, 0.9% have audio defects, and 0.2% have both audio and video defects.
(a) What is the probability that a cartridge purchased by a customer will have a video or audio defect?
(b) What is the probability that a cartridge purchased by a customer will not have a video or audio defect?

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