Answer :
The total cost of the most cost-effective techniques for Tethered Aerostar will be 0.56 <1, Boots-on-the-ground 0.73, Fence 1.18, Motion Sensors 1.14, Seismic Sensors 1.12, and Drones 0/49.
Activity Cost Score Cost effective ratio=Cost/Score
For Tethered Aerostar it will be:
4.5 8 4.5/8= 0.56 <1
For Boots-on-the-ground it will be:
38.1/52=0.73
For Fence it will be:
14.2/12= 1.18
For Motion Sensors it will be:
8/7=1.14
For Seismic Sensors it will be:
5.6/5=1.12
For Drones it will be:
12.8/26=0/49
The cost-effectiveness ratio is calculated as the proportion of costs to quality-adjusted life-years (QALYs). An incremental cost-effectiveness proportion (ICER) of <€20,000 is respected as cost-effective in created nations. The ICER may be much lower for cost-effectiveness in creating nations.
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Although part of your question is missing, you might be referring to this full question:
Various techniques have been proposed to curb cross-border drug smuggling into a country. The costs of implementing each strategy along a particularly rugged section of the border are indicated below. The table also includes a score that is compiled based on deterrence, interdiction, and apprehension, with a higher score indicating better performance. Determine the technique with the highest and the lowest cost-effectiveness ratio. For a budget of $65 million, determine the total cost of the most cost-effective techniques. Activity Cost, $ Score Tethered Aerostats 4.1 8 Boots-on-the-Ground 38.1 52 Fence 13.2 12 Motion Sensors 7.6 7 Seismic Sensors 5.2 5 Drones 12 26