Estimation question

How many wheelchairs should an average hospital have?

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What this question tests

Estimation grounded in hospital operations, reasoning from bed count and patient mobility needs to a wheelchair number.

How to approach it

  1. Anchor on an average hospital size, e.g. 200 beds, as a reasonable illustrative assumption for a mid-size hospital.
  2. Estimate the share of patients needing wheelchair assistance at any time, e.g. patients being transported to imaging, surgery, or discharge.
  3. Add wheelchairs needed for visitors and outpatients, since hospitals serve more people than just admitted patients.
  4. Estimate a ratio, e.g. one wheelchair per 4 to 5 beds to cover patient transport needs, plus a smaller pool for visitor and outpatient use.
  5. Calculate the total, e.g. 200 beds divided by 4 gives roughly 50 wheelchairs for patient use, plus an estimated 10 to 15 for visitors and outpatients.
  6. State the final range and flag every input as an assumption, since real hospitals vary widely by size and specialty.

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