Years of service and award eligibility

Years of service and award eligibility

Secondary 2
TGM Original Questions

The years of service of 15 staff are 5,8,12,14,17,19,21,24,24,24,28,31,34,16,10.

  1. Draw a stem-and-leaf diagram.
  2. Hence
    1. state the mode,
    2. find the percentage serving from 10 to 20 years inclusive.
  3. Staff with at least 22 years receive an award. Find the probability that a randomly selected staff member receives it.

Solution:

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Answer:(a) correct stem-and-leaf; (b)(i) \(24\); (ii) \(40\%\); (c) \(2/5\).

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