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Source: OG11th

Level: 4

A computer chip manufacturer expects the ratio of the number of defective chips to the total number of chips in all future shipments to equal the corresponding ratio for shipments S1, S2, S3, and S4 combined, as shown in the table above. What is the expected number of defective chips in a shipment of 60,000 chips?

  • A 14
  • B 20
  • C 22
  • D 24
  • E 25

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