Solution.docx - 1 Use the Gaussian Elimination method to solve 1x 2y 3z = 14 2x 1y 3z = 13 2x 3y 1z = 11 Solution First we eliminate X So X = 14-2y-3z

Solution.docx - 1 Use the Gaussian Elimination method to...

This preview shows page 1 - 4 out of 4 pages.

1. Use the Gaussian Elimination method to solve: 1x + 2y + 3z = 142x + 1y + 3z = 132x + 3y + 1z = 11 (iv)Subtract the value of y from y, z from z and then numerical value, we find following twoequations,-3y -3z = -15(v)-y -5z = -17
Image of page 1
2. The relative frequency distribution of the number of TVs sold in a day in a department store in the last year is as follows:Number of TV sold: 0 1 2 3 4Probability 0.35 0.3 0.2 0.1 0.05Compute the mean and standard deviation of this distribution.
Image of page 2
Image of page 3
Image of page 4

You've reached the end of your free preview.

Want to read all 4 pages?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture