Solve for X in the Equation Given A) $\left[ \begin{array} { l l } - 4 & - 3 \\- 5 & - 2\end{array} \right]$

question 208

Multiple Choice

Solve for X in the equation given. $$3 X = - 5 A - B , A = \left[ \begin{array} { c c } 9 & 1 \\- 3 & - 8\end{array} \right] \text { and } B = \left[ \begin{array} { c c } - 33 & 4 \\30 & 46\end{array} \right]$$

• A) \(\left[ \begin{array} { l l }
• - 4 & - 3 \\
• - 5 & - 2
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c }
• - 4 & 3 \\
• 5 & - 2
• \end{array} \right]\)
• C) \(\left[ \begin{array} { l l }
• - 12 & - 9 \\
• - 15 & - 6
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l }
• 1 & 0 \\
• 0 & 1
• \end{array} \right]\)
• E) \(\left[ \begin{array} { l l }
• - 4 & 0 \\
• - 5 & 4
• \end{array} \right]\)

Identify strategies for effective proofreading focusing on content, organization, and style errors.

Learn the procedures for producing error-free written communications.

Understand the importance of avoiding discriminatory language and guidelines for maintaining bias-free documents.

Apply revision techniques to improve clarity and effectiveness in written messages.

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Definitions:

Z-Statistic

A statistical measure that indicates how many standard deviations an element is from the mean of a distribution.

Rejection Region

The range of values for which the null hypothesis is rejected in hypothesis testing, indicating statistical significance.

Significance Level

A statistical term that determines the threshold at which a null hypothesis is rejected.

Wilcoxon Signed-Rank Test

A statistical test used for comparing two related samples to determine if their population means rank differ.