Need help with part 2.What does z =? Also reject or do not the reject the null?And finally is there enough evidence to support or reject the claim? Or not ?

Hosted by ALEKS Corp. 8.3 Homework 2 3 5 6 7 Question 7 of 7 (1 point) |Attempt 1 of Unlimited | View question in a popup 8.3 Section Exercise 17 (critical value, ta Medical Operations The director of a medical hospital feels that her surgeons perform fewer operations per year than the national average of 211. She selected a random sample of 15 surgeons and found that the mean number of operations they performed was 209.5. The standard deviation of the sample was 3.8. Is there enough evidence to support the director's feelings at a =0.10? Assume that the population is approximately normally distributed. Use the critical value method and tables. Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: H = 211 not claim H: H