The average volume of a bottle of soda is supposed to be at

The average volume of a bottle of soda is supposed to be at least 20 oz. A sample of 22 bottles shows a mean of 19.84 oz. and a sample standard deviation of .41 oz. At the 1% level of significance, is the population mean smaller than the specification? Which of these is a good alternate hypothesis?

None of these

Alternative hypothesis: