The International Shark Attack File, maintained by the American Elasmobranch Society and the Florida Museum of natural history, is a compilation of all known shark attacks around the globe from the mid 1500s to the present. Following is a table providing a cross-classification of worldwide reported shark attacks during the 1900s, by country and lethality of attack 

a) Find the probability that this attack was from Australia. 
b) Find the probability that this attack was fatal and from Australia. 
c) Find the probability that this attack was fatal and from Australia or Brazil. 
e) Find the probability that the attack was fatal given that the attack was from South Africa. 
f) Find the probability that the attack was from Brazil given that it was fatal.