True regarding significance of testing:: (A) Type 1 error is to reject alternate hypothesis when it should be accepted, (B) Type 2 error is to accept alternate hypothesis when it should be rejected, (C) Probability associated with type 1 error is significant, (D) The significant level is always set to 5%
Answer is C. (Refer: Oxford Handbook of Medical Statistics, Pg.248)
Errors & P value

Null hypothesis – H0 – an assumption about the status of a phenomenon
Statistical errors (Null hypothesis)