1. Let C be a contradiction (i.e. a statement that's always false) and let X be any statement. Use a truth table to show that (-X C) → X is a tautology. 2. Express the following functions as piecewise defined functions without using absolute value signs (a) f(x) 1r+5] (b) g(x) = | - 3z %3D

Q: FINDING MARGIN OF ERROR Find the margin of error for a survey that has the given sample size. Round ...

A: Answer - 7 Margin of error for a sample size of n people is  = +_ 100/√n

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Q: FINDING MARGIN OF ERROR Find the margin of error for a survey that has the given sample size. Round ...

A: We have to find the margin of error for the following samples.

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