MCQ
The matrix$ \displaystyle \begin{bmatrix}-12\\10 \\13 \\4 \end{bmatrix}$ is a:
- Asquare matrix
- Brow matrix
- ✓column matrix
- Dnull matrix
✓
Answer
Correct option: C.
column matrix
Matrix $ \displaystyle \begin{bmatrix}-12\\10 \\13 \\4 \end{bmatrix}$ is a column matrix.
Hence, the answer is column matrix.
Hence, the answer is column matrix.
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For the following probability distribution E(X) is equal to:
|
X
|
-4
|
-3
|
-2
|
-1
|
0
|
|
P(X)
|
0.1
|
0.2
|
0.3
|
0.2
|
0.2
|