A pharmaceutical company is testing a newly developed therap
     A pharmaceutical company is testing a newly developed therapy. If the therapy raises the blood pressure of a patient by less than 6 mm. it is deemed harmless. What are the natural hypotheses to test in a clinical study of this new therapy?  Choose the correct answer below. 
  
  Solution
B seems to be the right choice as Acceptance of it will need the quantity to be less than 6.

