# Quiz 36: Matrices

Business

Free

Multiple Choice

C

Q 2Q 2

Which of the following statements concerning the definition of matrices is NOT true?
A) The number at an intersection of a row and column is referred to as a value
B) A matrix can consist of any number of rows and columns
C) A matrix with the same number of rows as columns is called a square matrix
D) The size of a matrix is given by number of rows and columns (e.g. a by b matrix)

Free

Multiple Choice

A

Q 3Q 3

A company has two offices represented by the matrices A and B. Each records the number of female and male staff and the number of managers and non-managers. Which option below represents the total number of female staff employed by the firm?
A) 5
B) 20
C) 53
D) 73

Free

Multiple Choice

D

Free

Multiple Choice

Free

Multiple Choice

Q 6Q 6

If a 3x2 matrix is multipled by a 2x5 matrix what is the size of the resulting matrix?
A) 3x5
B) 3x2
C) 2x5
D) 2x2

Free

Multiple Choice

Free

Multiple Choice

Free

Multiple Choice

Free

Multiple Choice

Q 10Q 10

A manufacturing company has a particularly error-prone machine and records the number of faults over 50 items (1 day's production). In the transition matrix T the number of times an error was produced is recorded, along with the result of the next item. Which option is the correct proportional transition matrix?

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Multiple Choice