Answer:
see explaination and attachment
Explanation:
A variable can be seen as any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.
Using the given expression, lets show that this leads to a (much more complicated) expression for p.
Please refer to attachment for step by step solution.