A BANK EMPLOYEE WANTS TO ESTIMATE THE AVERAGE ANNUAL SAVINGS OF ITS FEMALE CUSTOMERS AT A 95% TRUST LEVEL. HE MUST HAVE ATTRACTED 50 OF HIS FEMALE CLIENTS. THE AVERAGE ANNUAL SAVINGS OF WORKING WOMEN CUSTOMERS WERE 120,000 TL AND THE VARIANCE WAS 4. CREATE THE FORMULA FOR THE TO-DO CONFIDENCE INTERVAL AND REPLACE THE CORRESPONDING VALUES . Table Z0. 025: 1.96.