The purpose of a hypothesis is: 1. to start a plan to test your idea 2. to provide the answer to your investigation 3. to allow you to prove your idea is correct

3.

Explanation:

As a hypothesis is used as an experiment in order to define the relationship between two variables, and to find the answer (s) to a question while a formalized one forces us to brainstorm about the results in which we should search for in an experiment.