Mathmatician — 3 is prime, 5 is prime, 7 is prime, the rest follows by induction.

Statistician — 3 is prime, 5 is prime, 7 is prime, 9 is expermental error so throw it out, 11 is prime, 13 is prime, the rest follows by induction.

Computer Scientist — 3 is prime, 5 is prime, 7 is prime, 9 is prime, ….