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Comparison of the rule of three to the exact binomial one-sided confidence interval with no positive samples. In statistical analysis, the rule of three states that if a certain event did not occur in a sample with n subjects, the interval from 0 to 3/ n is a 95% confidence interval for the rate of occurrences in the population.
Sri Lanka's population is aging faster than any other nation in South Asia and has the fifth highest rapidly growing population of older people in Asia after China, Thailand, South Korea and Japan. [16] [17] [18] In 2015, Sri Lanka's population aged over 60 was 13.9%, by 2030 this will increase to 21% and by 2050 this number will reach 27.4%.
Rodi or Rodiya (lit., filth) are an untouchable social group or caste amongst the Sinhalese people of Sri Lanka. [1] Their status was very similar to all the Untouchable castes of India with segregated communities, ritualised begging, economically weakest section of the society.
When the island was divided during the Transitional period, multiple capital cities existed at one time. Nallur, 1255–1620 (capital of the Jaffna Kingdom) [19] [20]; Kandy, 1469–1597 (During the early part of the reign of Senasammata Vikramabahu (1469–1511), capital of the Kingdom of Kandy) [31]
Sri Lanka, [a] historically known as Ceylon, [b] and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia. It lies in the Indian Ocean , southwest of the Bay of Bengal , separated from the Indian peninsula by the Gulf of Mannar and the Palk Strait .
Sri Lankan nationality law details the conditions in which a person is a national of Sri Lanka. The primary law governing nationality regulations is the Ceylon Citizenship Act, which came into force on 15 November 1948. Any person born in Sri Lanka to a Sri Lankan parent is automatically a citizen by descent.
At the top center of the card the word "Sri Lanka" is printed in the Sinhala and Tamil languages. The purple number on the right of the Sri Lankan emblem represents the Province from which the application was made. The numbers range from 1–9. The numbering convention is as follows: 1. Western Province; 2. Central Province; 3. Southern ...
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