If the Lower and Upper Confidence Limits of the Population $\mu$

Multiple Choice

If the lower and upper confidence limits of the population mean $\mu$ ,using a sample of size 100,are 225 and 280,respectively,then the lower and upper confidence limits of the total of a population of size 3000 are respectively

A) 652,500 and 812,000
B) 675,000 and 840,000
C) 697,500 and 868,000
D) 652,862 and 812,452