Max wanted to test a new dishwasher detergent to see if it was less likely to leave residue on his dishes. Which of the following would be the null hypothesis in Max's experiment?

The new detergent is equally likely to leave residue compared to the old detergent.

The old detergent will leave more residue than the new detergent.

The new detergent will leave more residue than the old one.

The new detergent will leave less residue than the old one.