Consider the following. 7i(1 - V51) (a) Write the trigonometric forms of the complex numbers. (Let 0 s0< 27. Round your angles to five decimal places.) 7i = (1 - V 51) (b) Perform the indicated operation using the trigonometric forms. (Let 0s 0< 27. Round your angles to five decimal places.) (c) Perform the indicated operation using the standard forms, and check your result with that of part (b). (Round all numerical values to five decimal places.)

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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.