Posted by **Jimmy Smith** on Saturday, May 25, 2013 at 10:23pm.

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam.

What score represents the 60th percentile score on the mathematics exam? Place your answer in the blank, rounded to a whole number. For example, 62 would be a legitimate entry.

- Statistics -
**s**, Saturday, September 28, 2013 at 2:20am
.9

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