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If you use a 0.05 level of significance in a (two-tail) hypothesis test, what will you decide if Zstat = +2.21? Please show using excel

If you use a 0.05 level of significance in a (two-tail) hypothesis test, what will you decide if Zstat = +2.21?

Please show using excel with formulas. I need to see how to do it myself.

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