$\text { Find three positive numbers whose sum is } 291 \text { and whose product is a maximum. }$

question 26

Multiple Choice

$\text { Find three positive numbers whose sum is } 291 \text { and whose product is a maximum. }$

• A) \(x = y = z = 97\)
• B) \(x = 109 , y = 99 , z = 89\)
• C) \(x = 100 , y = 108 , z = 89\)
• D) \(x = 99 , y = z = - 99\)
• E) \(x = 129 , y = 79 , z = 89\)

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Definitions:

Reliability

The consistency and stability of test scores or measurements over time or across different occasions.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

Correlation Coefficients

Statistical measures that quantify the degree to which two variables are related or move together.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related task.