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).
Learn more about Null hypothesis here:
brainly.com/question/10696530
#SPJ4
Answer: A ( novel )
Explanation
aksjjelsnsksk
<span>In The Red Badge of Courage, the thing that henry think about the lieutenant who hit him with a sword and reminded him to catch up and get into the ranks was a BRUTE. And the lieutenant say about henry is if he has a 10,000 like henry, he could win a war less than a week.</span>