Assignment:
A company produces vitamin B tablets tha claim to provide 100mg of riboflavin. A bottle is drawn from the stock, and one pill is determined to contain 100.9 mg(= +/-1.1mg) of riboflavin.
A) How many samples are needed to confirm with 95% confidence that the pills contain at least 100 mg of riboflavin.
B) How should you draw the samples for this analysis if you want to know that each pill contains at least 100mg of riboflavin? How should you draw samples for this analysis if you want to know that want to know that each pill ON AVERAGE contains at least 100mg riboflavin.
Provide complete and step by step solution for the question and show calculations and use formulas.