3. In a local community healthy males between 65 and 70 years of age have their weight distribution to be approximately normal with mean 151 lbs and a standard deviation of 20 lbs.
- What proportion of males have their serum uric acid to be between
- What is the 95th percentile of the male weight in this local community who are between 65 and 70 years of age?
- What proportion of samples of 36 men will have the mean weight to be between 120 and 160 lbs?