Which of the following is true of the null and alternative hypotheses?
a.
Exactly one hypothesis must be true
b.
both hypotheses must be true
c.
It is possible for both hypotheses to be true
d.
It is possible for neither hypothesis to be true
a.
Exactly one hypothesis must be true
b.
both hypotheses must be true
c.
It is possible for both hypotheses to be true
d.
It is possible for neither hypothesis to be true