Trudy Jones recently completed her certification examination and learned - 6228

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Request Description

Trudy Jones recently completed her certification examination and learned that her z-score was –2.5. The examining board also informed her that a failure to pass would be all scores that were 1 or more standard deviations below the mean and that those with scores higher than 2 standard deviations above the mean would receive a special commendation award. Trudy can, therefore, conclude that she

A.   needs more data to determine if she passed the exam

 

B.   failed the exam 

 

C.   passed the exam and will receive a special commendation award

D.   passed the exam, but no commendation award is forthcoming

 

Solution Description

Trudy Jones recently completed her certification examination and learned that her z-score was –2.5. The examining board also informed her that a failure to pass would be all scores that were 1 or more standard deviations below the mean and that those with scores higher than 2 standard deviations above the mean would receive a special commendation award.