In a standard normal distribution, above which z-score do approximately 63% of the date lie? A.) 1.79 B.) - 0.33 C.) - 1.79 D.) 0.33

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Amaris

Mathematics

20 April, 11:05

In a standard normal distribution, above which z-score do approximately 63% of the date lie? A.) 1.79 B.) - 0.33 C.) - 1.79 D.) 0.33

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Markus Weiss · Answer 1

If 63% lie above the z-score, then 37% lie below, or to the left. On the "negative" chart locate the value closest to 0.37. It is 0.3070 that corresponds to the z-score of - 0.33.