A supplier of parts to the automobile industry is launching a new brake pad intended to wear down more slowly while delivering the same performance. The company performs a study that incorrectly rejects the null hypothesis. What type of error is this?

a.Type 1: The supplier rejected the null when it should not have.

b.Type 2: The supplier rejected the null when it should not have.

c.Type 1: The supplier maintained the null when it should have rejected it.

d.Type 2: The supplier maintained the null when it should have rejected it.