Find the z score values that separate

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Reference no: EM13216594

For a normal distribution, find the z score values that separate

a) The middle 60% of the distribution from the 40% in the tails.
b) The middle 70% of the distribution from the 30% in the tails.
c) The middle 80% of the distribution from the 20 % in the tails.
d) The middle 90% of the distribution from the 10% in the tails.

Reference no: EM13216594

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