Which of the Following Exemplifies a Type I Error of Incorrectly

Multiple Choice

Which of the following exemplifies a Type I error of incorrectly rejecting a true null hypothesis?

A) Interrupting the production process in order to adjust machinery that needs no adjusting.
B) Switching to a new supplier of raw materials although the performance of the old one was satisfactory.
C) Condemning a firm for ignoring pollution standards even though it has done no such thing.
D) All of these.
E) None of these.