### Find the probability of observing a sample mean of 0.99 liters or less in a sample of 50 bottles, if the beverage dispensing unit functions properly.

A soft drink company has recently received customer complaints about its one-liter-sized soft drink products. Customers have been claiming that the one-liter-sized products contain less than one liter of soft drink. The company has decided to investigate the problem. According to the company records, when there is no malfunction