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The figure shows a normal distribution with mean m and standard deviation d, including approximate percents of the distribution corresponding to the six regions shown
The HDL cholesterol level, in milligrams per deciliter, of a certain population is approximately normally distributed with a mean of 50 and a standard deviation of 15. For the population, which of the following is the best estimate of HDL cholesterol level in milligram per deciliter that is at the 98th percentile of distribution?
A) 80
B) 65
C) 55
D) 35
E) 20