Answer:
proportional stratified random sampling
Explanation:
Based on the information provided within the question it can be said that in this scenario the kind of sampling being used is called proportional stratified random sampling. This type of sampling is when the size of the sample is proportionate to the population size of the strata when compared to the entire population. Which in this case 20 males would be the same as 40% of the entire population while 30 females is proportionate to 60% of the entire population.
50 (sample size) * 0.40 = 20
50 (sample size) * 0.60 = 30
Answer:
A cross-sectional study
Explanation:
A cross-sectional study is an observational study type. In this study the researcher conduct study at a specific point of time. This study analyses the data that is collected from a population or a subset of the population sample.
It is also called a cross-sectional analysis or prevalence study or it is also called a transverse study. In this study, all variables are the same except one variable in the study. But this variable will be constant throughout the study.
This study can be conducted with a different organization. Thus in the above statement, the researcher used cross-sectional research in his study.
Answer: The answer is ethiopia
Explanation:
Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Answer:
Robert Nozick entitlement theory is a theory of justice.
Explanation:
According to Nozick, the important part is how people got what they have. The result of the distribution of goods is not essential.The three basic principles of Nozick 's theory are:-
1. A 'principle of justice' in 'acquisition':- According to this, this is justification of how people own the common property.
2. A 'principle of justice' in 'transfer':- In this principle it is explained how one can acquire assets from another including gifts .
3. A 'principle of rectification' of 'injustice':- This principle explains that if there are any assets that are acquired unfairly, how can victim request for justice, how can it be rectified.
These principles are closely aligned with 'libertarian theory'.