Recently,a University Surveyed Recent Graduates of the English Department for Their

Multiple Choice

Recently,a university surveyed recent graduates of the English Department for their starting salaries.Four hundred graduates returned the survey.The average salary was $25,000 with a standard deviation of $2,500.What is the 95% confidence interval for the mean salary of all graduates from the English Department?

A) [$22,500,$27,500]
B) [$24,755,$25,245]
C) [$24,988,$25,012]
D) [$24,600,$25,600]