Estimating the rhino population
The International Rhino Federation estimates that there are 17,800 rhinoceroses living in the wild in Africa and Asia. A breakdown of the number of rhinos of each species is reported in the accompanying table.
| RHINO   SPECIES | POPULATION   ESTIMATE | 
| African   Black | 3,610 | 
| African   White | 11,330 | 
| (Asian)   Sumatran | 300 | 
| (Asian)   Javan | 60 | 
| (Asian)   Indian | 2,500 | 
(a) Construct a relative frequency table for the data.
(b) Display the relative frequencies in a bar graph.
(c) What proportion of the 17,800 rhinos are African rhinos? Asian?