Please also help with hypothesis with answer

( 3 POINTS ) 14) With several different waiting lines, a bank finds that the standard deviation of waiting times on Monday morn- ings is 3.2 minutes. The bank experiments with a single main waiting line and finds that for a random sample of 25 customers, the waiting times have a standard devia- tion of 0.3 minutes. At the 0.05 level of significance, test the bank manager's claim that the single line pro- duces a lower standard deviation