Question

If 4 individuals in a laboratory population of 80 fruit flies died during a week. The death rate in the population is
(A) 0.15 per week
(B) 0.05 per year
(C) 0.1 per year
(D) 0.05 per week
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Answer 1

Answer: (D) 0.05 per week

Explanation: 4 is 5% of 80, hence 0.05 out of 1 whole population.

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Answer 2

Answer:

The answer is a option D