A company has140 employees, of which30 are supervisors,80 of the employees are married, and 20% of the…
Married supervisors=20%×80=16. Joint probability=16/140=0.1142857≈0.1143. The total30 supervisors is not the joint count;0.1531,0.1253 and 0.0923 are not 16/140.
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A company has140 employees, of which30 are supervisors,80 of the employees are married, and 20% of the married employee are supervisors. If a company employee is randomly selected, what is the probability that the employee is married and is a supervisor?
Answer and explanation
Correct answer D
Married supervisors=20%×80=16. Joint probability=16/140=0.1142857≈0.1143. The total30 supervisors is not the joint count;0.1531,0.1253 and 0.0923 are not 16/140.
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UGC NET Economics