Question: Find the z-score boundaries that separate a normal distribution as described in each of the following. a. The middle 20% from the 80% in the

Find the z-score boundaries that separate a normal distribution as described in each of the following.
a. The middle 20% from the 80% in the tails.
b. The middle 50% from the 50% in the tails.
c. The middle 95% from the 5% in the tails.
d. The middle 99% from the 1% in the tails.

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