Question: What proportion of a normal distribution is located between each of the following z-score boundaries? a. z = -0.25 and z = +0.25 b. z

What proportion of a normal distribution is located between each of the following z-score boundaries?
a. z = -0.25 and z = +0.25
b. z = -0.67 and z = +0.67
c. z = -1.20 and z = +1.20

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