According to her doctor, Mrs. Brown's cholesterol level is higher than only 5% of the females aged 50 and over. The cholesterol levels among females aged 50 and over are approximately normally distributed with a mean of 235 mg/dL and a standard deviation of 20 mg/dL. What is Mrs. Brown's cholesterol level? Carry the intermediate computations to at least four decimal places. Round the answer to one decimal place.

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