A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50. In a random sample of 36 bins, the sample mean amount is 48.47 pounds and the population standard deviation is 3.1 pounds. Conduct the appropriate hypothesis test using a 0.05 level of significance. a) What are the appropriate null and alternative hypotheses? O Ho: # = 50 versus Ha: M # 50 O Ho: # = 50 versus Ha: # > 50 O Ho: M = 50 versus Ha: M