Find the p-value from a given z-score

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This tutorial shows how to calculate the p-value from a given z-score, using Excel. The equation for the calculation is
p-value =2*(1-(NORMDIST(z-score,0,1,TRUE)))
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Hi, what if the z score is negative? Do u just remove the 1- from this equation? And how many brackets, since I can’t get the right answer with my stats homework.

gretchenhudgens