Perform the Indicated Matrix Operations $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$

question 20

Multiple Choice

Perform the indicated matrix operations.
-Let $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$ and $D = \left[ \begin{array} { r } - 1 \\ 3 \\ - 2 \end{array} \right]$ . Find $C - 3 D$

• A) \(\left[ \begin{array} { c } - 4 \\ 12 \\ - 8 \end{array} \right]\)
• B) \(\left[ \begin{array} { r } 4 \\ - 6 \\ 4 \end{array} \right]\)
• C) \(\left[ \begin{array} { r } - 2 \\ 6 \\ - 4 \end{array} \right]\)
• D) \(\left[ \begin{array} { r } 4 \\ - 12 \\ 8 \end{array} \right]\)

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Definitions:

Significance Level

The significance level is the threshold below which a p-value indicates that the null hypothesis can be rejected, commonly set at 0.05 or 5%.

Business Graduates

Individuals who have completed an academic degree in business studies, such as a Bachelor's or Master's in Business Administration.

Earn More

The concept of increasing one's income or financial gain through various means such as employment, investment, or entrepreneurship.

Type II Error

The error that occurs when a false null hypothesis is not rejected.