Question: Hi, Can't find the answer to this. Seems simple. Tx. A civil service exam yields scores which are normally distributed with a mean of 81

Hi, Can't find the answer to this. Seems simple. Tx.

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.

Select one:

A.75.28

B.86.72

C.60.24

D.64.56

E.None of the above

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