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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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) About Me  (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?
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Ans: normalcdf(-1,1) = 0.6827
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Cheers,
Stan H.