statistics

A company has 140 employees, of which 30 are supervisors. Eighty of the employees are
married, and 20% of the married employees are supervisors. If a company employee is
randomly selected, what is the probability that the employee is married and is a supervisor?

  1. 👍 1
  2. 👎 0
  3. 👁 811
  1. 8 * .2 = 1.6 rounded to 2 are married and supervisors.

    2/140 = ?

    1. 👍 0
    2. 👎 0
  2. 80 * .2
    16

    1. 👍 0
    2. 👎 0
  3. Supervisors = 30/140
    Married = 64/140
    Married supervisors = 16/140
    So the probability that the employee is married and is a supervisor is 16/140 = 0.11

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    2. 👎 1

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