# SOLUTION: What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this?

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 Click here to see ALL problems on Probability-and-statistics Question 509349: What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this?Answer by stanbon(57347)   (Show Source): You can put this solution on YOUR website!What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this? ================ Ans: normalcdf(-1,1) = 0.6827 ================================== Cheers, Stan H.