For a set of 400 urine protein measurements, the mean was found to be 61.6 mg/day with a standard deviation of 6.5 mg/day. Assuming that the distribution is approximately bell-shaped, determine: 4 a. The percentage of the 400 measurements that will fall within ± 1 standard deviation from the mean. 0% b. The number of measurements that will be below 68.1 mg/day. 0 c. The number of measurements that will be below 55.1 mg/day. 0

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