K = [3 5 7;2 6 X2;X1 9 Xı] A. K(2,2:end) B. K(end, 1) C. K(:,3)=[] D. K' E. sum(diag(K)) F. rem(13,X1) G. round(19/X2)

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A: to find the product of 38×27proceed as follows 38×27=384×27=34×17=328

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A: See this solution in detail below

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A: We will generalize value of W

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.