If a Sample of Size 120 Is Selected,the Value of a for the Probability

question 77

Multiple Choice

If a sample of size 120 is selected,the value of A for the probability P(-A ≤ t ≤A) = 0.98 is:

• A)1.960
• B)2.576
• C)1.282
• D)2.326

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Definitions:

Independent Variable

The variable that is manipulated or changed in an experiment to test its effect on the dependent variable.

Statistically Significant

A term in statistical hypothesis testing used to denote that the results obtained are unlikely to have occurred by chance, at a specified level of significance.

Chance Variations

Chance variations refer to random changes that can affect outcomes in natural processes or experiments, often beyond the control of the participants.

Botany

Botany is the scientific study of plants, including their physiology, structure, genetics, ecology, distribution, classification, and economic importance.