Marks
k
7. A termite population was sprayed with a certain brand of insecticide, a poison that kills
termites. After being sprayed, the number of surviving termites within the population were
counted and recorded as percentage of the total. This process was repeated until a total of six
generations of termites had been sprayed. The results are shown in the table below.
1
5%
2.
10%
3
25%
4
40%
5
60%
6
80%