BMI in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2. A BMI between 25 and 30 is considered overweight. What proportions of children are overweight?
The risk hepatoma among alcoholics without cirrhosis of the liver is 24%. Suppose we observe seven alcoholics without cirrhosis. What is the probability that exactly one of these seven people have a hepatoma?
Approximately 30% of obese patients develop diabetes. If a physician sees 10 patients who are obese. What is the probability that half of them will develop diabetes?