A company sells toothpaste in a tube advertised to contain 8 ounces. The tube filling process is set with a mean of 8.21 ounces. In this continuous production process, the amount of toothpaste put in a tube is normally distributed with a mean of 8.21 ounces and a standard deviation of 0.09 ounces. If the actual capacity of the tubes used is 8.45 ounces, what proportion of the tubes will be filled beyond capacity?
Question 2
In a selected year, the top 50 performers in men's professional tennis averaged 24.04 years of age with a standard deviation of 3.63 years. A random sample of ten is taken. Compute the standard deviation of .