The null hypothesis makes a claim about population parameter. A null hypothesis is a statement about the value of a population parameter. So the correct answer is (a).
An example of a null hypothesis is one that asserts that no statistical significance can be found in a collection of provided observations. A hypothesis is tested using sample data to determine how plausible it is. It is represented as H0 and is occasionally referred to as simply the "null." To determine if a theory regarding markets, investment methods, or economies is correct or wrong, quantitative analysts employ the null hypothesis, often known as the conjecture. The alternate theory contends that there is a distinction.
Therefore correct answer is (a).
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Answer:
It acts on behalf of the citizens to maintain peaceful coexistence. A government is necessary because it is an organized system of leadership that is needed in any society.
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The type of investors are oil investors, gold, and energy
Different levels are required from different parts of the government for the safety of other and for the preparation for the worst possible outcome while a soldier is in duty. They came less effient due to lack of time and underemployed departments. They’ve became more expensive so they can have better technology and get the best training possible. Governments can affect small areas on a positive or negative ways, one positive way is funding their schools and other systems. A negative way is raiding the place or taking it under their control.
Answer:
This is mainly because the wall's constuction resulted in many on-site deaths, and I believe also hard working conditions.
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