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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<span>Women are likely to be made jealous by physically attractive rivals. Women are often jealous when they are attracted to a counterpart that they also have a dispute with. Jealousy is a common feeling within all of us and it is hard to shake that feeling without getting over our inner 'issues' ourselves. </span>
<span>The right answer is frontal cortex orbital. The FCO is the region of the frontal lobe that is related to the cognitive processing responsible for decision making. Among
its functions is the sensory integration, also responsible for
regulating the behavior that is associated with reward or punishment. <span>In addition, it provides information about the social context in which emotions arise.
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I hope my answer can help you.
