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Suppose that of 300 mice in a mice colony born in January, 150 are still alive at the start of September, and 120 are still alive at the start of October.
-What is the survivorship up to the start of September?
A) 0.15
B) 0.30
C) 0.45
D) 0.50
E) 0.60

Question

Quizplus · Accepted Answer

The survivorship up to the start of September is calculated by dividing the number of mice still alive at that time (150) by the original number of mice (300), which equals 0.50.

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