I need the steps to figure this out not just the answer. I'm trying to learn how to complete these problems.

I need the steps to figure this out not just the answer. I'm trying to learn how to complete these problems. One study , based on responses from 1016 randomly selected teenagers, concluded that 43% cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half feel that grades are their greatest source of pressure. Find the test statistic: Z =