Need Help in the following multiple choice select the correct

Raj is analysing segment qualities of two TV programs, Short Land Street (population 1) and Hawaii Five O (population 2). Past examinations show no distinction in the ages of the two crowds. (The mean age of every crowd is the equivalent. Raj plans to test this hypothesis utilising a random sample of 100 from each crowd. His alternate hypothesis is Select one: O A. /1 - #2 2 0 O B. /1 - /2 = 0 O C. (1 - 12 0 O D. /1 - #2 50