You are a manager at a local Safeway looking at the sales of Swiffer products from P&G. In the last five months your sales increased 30%, 28%, 42%, 28% and 19% respectively. Your goal was to increase sales by more than 25% in the last five months. Now you are wondering whether you have achieved your goal or not. Which represents the alternative hypothesis? Select one:

a. H1: > 0.25

b. H0: 0.25

c. H0: < 0.25

d. H1: 0.25