Due Apr 22 by 11:59pm Points 1 Submitting a text entry box or a file upload Assignment #13 - Matrix Multiplication Do all of these (23-26) and submit one of your choice with your assignment. Also do "Inventory" and submit your answers. In Exercises 23-28, find (a) AB and (b) BA, or state that the product is not defined. Support your answer using the matrix feature of your grapher. 23. A = [2 -1 3], B = 4 2 24. A = B = [-1 2 4] 25. A = B = [-3 5] [5 -6] B = 26. A = Inventory A company sells four models of one name brand "all-in-one fax, printer, copier, and scanner machine" at three retail stores. The inventory at store i of model j is 3. 3. 2) 34

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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.