Scores derived from a patient satisfaction survey are Normally distributed with standard deviation 6.0, with high scores indicating high satisfaction. You collect a sample of n = 36 from a hospital in...

Scores derived from a patient satisfaction survey are Normally distributed with standard deviation 6.0, with high scores indicating high satisfaction. You collect a sample of n = 36 from a hospital in Reno and you find a sample mean of 28.0. You want to test if the mean score in the Hospital is different than 30. What is the null hypothesis of the test (in words)?