Employee weights and a threshold probability

Employee weights and a threshold probability

Secondary 2
TGM Original Questions

Thirty employee weights, in kg, are 44,47,52,55,58,60,62,62,62,62,64,66,68,70,72,74,76,78,80,82,49,53,56,59,61,63,65,69,73,77.

  1. Construct a stem-and-leaf diagram.
  2. State the mode.
  3. Find the probability that a selected employee weighs at least 60 kg.

Solution:

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Answer:(a) correct stem-and-leaf, key \(6|2=62\) kg; (b) \(62\) kg; (c) \(7/10\).

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