Years of service and award eligibility

Years of service and award eligibility

Secondary 2
7 marks
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.[3]
  2. Hence
    1. state the mode,[1]
    2. find the percentage serving from 10 to 20 years inclusive.[1]
  3. Staff with at least 22 years receive an award. Find the probability that a randomly selected staff member receives it.[2]

Solution:

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Answer:(a) See worked solution (b)(i) \(24\) (ii) \(40\%\) (c) \(\frac{2}{5}\).

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