In a population per capital birth rate is 0.15 and per capital death rate is 0.08 during a unit time period. What is the value of r (intrinsic rate of natural increase ) for the given population?
A
0.23
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B
0.07
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C
0.05
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D
0.25
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Solution
The correct option is B 0.07 Intrinsic rate of natural increase (r) = Birth rate - death rate = 0.15 -- 0.8 = 0.07