The following question(s) refer(s) to the capture-recapture method: n1 denotes the size of the tagged (captured) sample, n2 denotes the size of the second (recaptured) sample, and k denotes the number of tagged individuals in the second sample.If n1 = 250, n2 = 150, and k = 25, an estimate for the size of the population is
A. 2500.
B. 1500.
C. 3000.
D. 15.
E. none of these
Answer: B
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A. 1320 B. 220 C. 6 D. 36
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant B to pollutant C.
A. 
B. 
C. 
D. 
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A. 56 units B. 392 units C. 14 units D. 98 units
Find the component form of the vector given the initial and terminal points.
; M(11, 7), N(14, 12)
A. 
B. 
C. 
D. 