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If customers arrive at a single drive-in window at a local bank one every four minutes on the average, and if you can serve a customer in three minutes on the average:

How many cars would we expect to be in the drive-in facility on the average?

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Solution calculates the expected number of cars in the drive-in facility.

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Please refer attached file for missing expressions.

How many ...

Solution provided by:
  • BEng (Hons) , Birla Institute of Technology and Science, India
  • MSc (Hons) , Birla Institute of Technology and Science, India
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