Beech Mountain Ski Resort has measured the depth of the snowpack (in inches) each February for the past 20 years. The results are given in the table.
4350394134424423773268335642293235345945Assuming that the snowpack depths are approximately normally distributed, what are the maximum and minimum snow depths that define the 68% area under the normal curve? (In other words, what range of snowpack depths will occur 68% of the time at Beech Mountain?) Please round the answer to the nearest tenth of an inch.
A. Minimum snow depth is 16.0 in.
Maximum snow depth is 69.8 in.
B. Minimum snow depth is 29.8 in.
Maximum snow depth is 56.0 in.
C. Minimum snow depth is 29.4 in.
Maximum snow depth is 56.4 in.
D. Minimum snow depth is 2.5 in.
Maximum snow depth is 83.3 in.
E. Minimum snow depth is 8.9 in.
Maximum snow depth is 76.9 in.
Answer: C
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