Which of the Following Is Not True About the Student's

question 137

Multiple Choice

Which of the following is not true about the Student's t distribution?

• A) It has more area in the tails and less in the center than does the normal distribution.
• B) It is used to construct confidence intervals for the population mean when the population standard deviation is known.
• C) It is bell shaped and symmetrical.
• D) As the number of degrees of freedom increases, the t distribution approaches the normal distribution.

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Definitions:

Sensitivity Analysis

The study of how the variation in the output of a model can be attributed to variations in its inputs.

Optimal Solution

The best possible outcome or decision that maximizes or minimizes a specific objective, derived through analytical methods or mathematical optimization.

Feasible Region

In optimization problems, the set of all possible points that satisfy the problem's constraints, within which the optimal solution lies.

Valid Constraints

Restrictions or conditions in a mathematical model or optimization problem that are necessary for the formulation to accurately represent the real-world problem it seeks to solve.