In Exercises 9-12, perform the indicated elementary row operation on the matrix -6 4. 2 -3 1 -2 10. (1/2)R 9. (3/2)R, + R 11. (-2)R2 + R 12. (1)R, + R2

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A: Solution and Explanation is given below....

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A: Note :  1. Corresponding angles are equal. 2. Alternate exterior angles are equal.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.