Answer:
The correct answer is option (B) "population parameter that is assumed to be true until it is declared false".
Explanation:
In statistical analyses, the null hypothesis serves as the propose that there is no significant difference between specified populations. Basically, this statement affirms that nothing new happens and the tested conditions had not effect on the population. Usually, null hypothesis are assumed to be true unless evidence indicates that is false. In this case, the alternative hypothesis would be considered true.