Answer
A type-II error has been committed. The probability of committing a Type-I error at a = 0.01 is p=0.01.
Work Step by Step
The alternative hypothesis is rejected, which was in fact true, and thus a Type-II error was committed.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.