For the surname: BOTTRALL

Full Name	Suburb	State	Year
Margaret BOTTRALL	at Lealholme	South Australia	2006
Doris BOTTRALL		Victoria	2008
22021918 BOTTRALL		South Australia	2008
Cliff BOTTRALL		South Australia	2009
Clifford BOTTRALL		South Australia	2009
Member BOTTRALL		South Australia	2009
Vera BOTTRALL	Adelaide	South Australia	0
David BOTTRALL	Alice Springs	Northern Territory	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Merle BOTTRALL	Adelaide	SA	0
Gladys BOTTRALL	Adelaide	SA	0
Gladys BOTTRALL	Adelaide	SA	0

According to the Australian Bureau of Statistics, BOTTRALL is the 931st most common surname in Australia with 1,943 bearers. It is most common in New South Wales, where it is the 579th most common surname with 1,098 bearers. Question: What is the probability that two siblings have the same first and last name? Answer: The following graph shows the probability of two siblings having the same first and last name. The probability is calculated