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use the standard normla table to find the z-score thag corresponds to tbe given percentile ....

use the standard normla table to find the z-score thag corresponds to tbe given percentile . if the area is not in the table use the entry closest to the area . if the area is halfway between two entries use the z-score halfway between the corresponding z-scores

1. the z-score that corresponds to P80 is ??
(round to two decimal places as needed)


find the z -score that has 97.5% of the distribution's area to its left
1. the z-score is ???
(round to two decimal places as needed)


1. the z-score that corresponds to P7 is ??
(round to two decimal places as needed)
Math   Statistics-And-Probability   
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