In a study of the population density of apple maggot flies, 150 flies are captured and marked in the first sampling.Two days later, 300 flies are captured, 15 of which have marks.Based on these results, the estimated number of apple maggot flies in this population would be
A) 300.
B) 600.
C) 1,500.
D) 3,000.
E) 6,000.

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The Answer of In a study of the population density of apple maggot flies, 150 flies are captured and marked in the first sampling.Two days later, 300 flies are captured, 15 of which have marks.Based on these results, the estimated number of apple maggot flies in this population would be
A) 300.
B) 600.
C) 1,500.
D) 3,000.
E) 6,000.

In a Study of the Population Density of Apple Maggot