Question: *8. In a normal distribution, what z scores: (a) enclose the middle 99% of cases? (b) enclose the middle 95% of cases? (c) enclose the

*8. In a normal distribution, what z scores:

(a) enclose the middle 99% of cases?

(b) enclose the middle 95% of cases?

(c) enclose the middle 75% of cases?

(d) enclose the middle 50% of cases?

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