If X and Y Are Random Variables with E(X) =7

question 34

Short Answer

If X and Y are random variables with E(X) =7 and E(Y) = 3, then E(2X + 3Y) is: $\begin{array}{|l|l|}\hline \text { D. } & 21 . \\\hline\text { A. } & 10 . \\\hline \text { B. } & 23 . \\\hline \text { C. } & 27 . \\\hline \text { D. } & 21 . \\\hline\end{array}$

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Definitions:

General Note

Information or instructions that are applicable to the entire drawing or document, rather than a specific portion.

Accuracy

The degree to which a measured value or calculation approaches the true value, often considered in terms of error magnitude.

Metric Dimensioning

A system of measurement that uses the meter, liter, and gram as base units of length, volume, and weight, respectively.

Decimal Places

The number of digits to the right of the decimal point in a numerical value, indicating the precision of a measurement.