Fill in the blanks.

The director of admissions of a large university has recently surveyed a random sample of 28first-year students to determine whether the mean age of thefirst-year students is over 18. The appropriate hypotheses are Upper H 0

H0: =18, Upper H Subscript Sub Superscript a

Ha: > 18. If he concludes the mean age is over 18 when it isnot, he makes a__________ error. If he concludes the mean age is not over 18 when itis, he makes a__________ error.