Library visits and median constraints

Library visits and median constraints

Secondary 2
TGM Original Questions

Visits 0,1,2,3,4,5 have frequencies 8,6,\(x\),9,5,2. Conditions are independent. Find

  1. the greatest \(x\) for which the mode is 3,
  2. the range of integer \(x\) for which the median is 3,
  3. the mean when \(x=1\).

Solution:

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Answer:(a) \(8\); (b) \(0\le x\le1\); (c) \(65/31\approx2.10\).

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