Industry standard of salary for a system engineer is 6 lakhs INR per annum with population standard deviation of 1 lakh per annum. A system engineer at ABC Ltd. believes that his company pays less...

Industry standard of salary for a system engineer is 6 lakhs INR per annum with population standard deviation of 1 lakh per annum. A system engineer at ABC Ltd. believes that his company pays less annual salary than industry standard. System engineer randomly samples salary of 50 people who are working at ABC Ltd. on system engineer job role. Average salary of sample employees is 5.5 lakhs per annum. Test the claim of system engineer at 95% confidence level. Give detailed step by step process while solving problem along with interpretation.