According to the records of a soft drink company the bottles for their one liter sized products contain an average mean of 1 015 liters of beverage with a standard deviation of 0 15 liters As part of routine quality assurance a sample of so bottles has been taken The sample mean amount of beverage in these 50 bottles was 0 987 liters Assuming the company s records are correct find the probability of observing a sample mean of 0 987 liters or less in a sample of 50 bottles Carry your intermediate computations to at least four decimal places Round your answer to at least three decimal places X