a. If Set A = {x| xeZ and x is five digits and Set B = {x\x is the letters of your first name}. Find A x B. b. Define the finite and infinite sets in your own words and give example for each set.

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A: When written side by side it means addition.

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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.