Chapter 4.1, Problem 28PPS

a.

To determine

To find: Thematrix for the given data.

Answer to Problem 28PPS

The matrix for the given datais $\left[\begin{array}{ccc}200& 300& 275\\ 100& 175& 150\\ 150& 225& 220\end{array}\right]$ .

Explanation of Solution

Given information:

The data is shown below.

Store	White Ball	Red Ball	Yellow Ball
1	200	100	150
2	300	175	225
3	275	150	220

Calculation:

The data in form of matrix is,

  $\left[\begin{array}{ccc}200& 300& 275\\ 100& 175& 150\\ 150& 225& 220\end{array}\right]$

b.

To determine

To find: The matrix after adding elements of each column.

Answer to Problem 28PPS

The matrix after adding elements of each columnis $700$ .

Explanation of Solution

Given information:

The data is shown below.

Store	White Ball	Red Ball	Yellow Ball
1	200	100	150
2	300	175	225
3	275	150	220

Calculation:

The matrix after adding elements of each columnis $645,700,450$

c.

To determine

To find: The matrix after adding elements of each row.

Answer to Problem 28PPS

The matrix after adding elements of each rowis $775$ .

Explanation of Solution

Given information:

The data is shown below.

Store	White Ball	Red Ball	Yellow Ball
1	200	100	150
2	300	175	225
3	275	150	220

Calculation:

The matrix after adding elements of each row is $425,775,559$

The maximum number is 775.