Answer:
Prevent its currency from losing value too quickly.
Explanation:
I believe the answer is D) none of these patterns effect
Answer:
The size of the sample needed = 67.65
Explanation:
Given that :
The margin of error = 10% = 0.10
The confidence level = 90% = 0.90
Level of significance = 1 - 0.90 = 0.10
At ∝ = 0.10
Since the proportion of people that supported him/her is not given, we assumed p = 0.50
The margin of error formula can be expressed as:
Squaring both sides; we have:
n = 67.65
Therefore, the required sample size = 67.65
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The reasons why DDT is classified as a persistent organic pollutant are;
- DDT can be used to control diseases, such as malaria and typhus, that are spread by insects.
- DDT is detected in food worldwide and the general human population is most commonly exposed to the toxin through food.
Persistent Organic Pollutants can be regarded as toxic substances which are made up of organic chemical compounds.
These are industrial chemicals such as;
DDT is classified as a persistent organic pollutant because of it's usefulness in control diseases and it is been found in food stuff across the globe.
Learn more about DDT at;
brainly.com/question/14154063
