A coffee machine delivers volumes of coffee into 8 oz. cups that are normally distributed having and unknown mean, but with a known standard deviation of .4oz. It is also known that the cofee machine delievers volumes exceeding 8oz. 2% of the time. What is mu?
A coffee machine delivers volumes of coffee into 8 oz. cups that are normally distributed having and known mean of 60z, but with a unknown standard deviation . It is also known that the cofee machine delievers volumes exceeding 8oz. 2% of the time. What is the standard deviation?