家庭妇女才回答1+1=2，会计师律师统计学教授都要拐个弯。。。

What is 1+1?

Housewife: 2

Accountant: let me launch my spreadsheet

Lawer: tell me what you want it to be and I'll make you win

Statistisian: what is your null hypothesis?

【New addition, CS professor: 11 under binary system】