A civil service exam yields scores which are normally

Last updated: 7/28/2022

A civil service exam yields scores which are normally distributed with a mean of 81 and a standard deviation of 5.5. If the civil service wishes to set a cut-off score on the exam so that 15% of the test takers fail the exam, what should the cut-off score be? Remember to round your z-value to 2 decimal places. a)75.28 b)86.72 c)60.24 d)64.56 e)None of the above