Hello there. Can I please get explanation/ answers to the 5 step process regarding hypothesis testing regarding this question (which I believe tests the standard deviation, I'm not sure). The format I am using is 1. Set up null and alt.2. Check requirements3. Test statistic 4. P-value using technology 5. Conclusion Thank you!

18. NCAA Softball NCAA rules require the circumference of a softball to be 12 + 0.125 inches. Suppose that the NCAA also requires that the standard deviation of the softball circumferences not exceed 0.05 inch. A representative from the NCAA believes the manufacturer does not meet this requirement. She collects a random sample of 20 softballs from the production line and finds that's = 0.09 inch. Is there enough evidence to support the representative's belief at the a = 0.05 level of significance