Normal Distbns - how to use the z-table

Normal Distbns- - 3 Find the cutoff z values that satisfy the following percentage conditions in the Standard Normal distribution Sketch the N(0,1

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Normal Distributions: How to use the z-table © 2010 Radha Bose FSU Department of Statistics 1 Find the percentage of observations that satisfy each of the following conditions in the Standard Normal distribution. Sketch the N(0,1) curve and shade the appropriate area in each case. (Observations are denoted "z".) (i) z < -1.23 (ii) z > -2.16 (iii) z > 0.98
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Normal Distributions: How to use the z-table © 2010 Radha Bose FSU Department of Statistics 2 (iv) z < 1.45 (v) -0.57 < z < 2.02 (vi) 0.68 < z < 1.75
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Normal Distributions: How to use the z-table © 2010 Radha Bose FSU Department of Statistics
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Unformatted text preview: 3 Find the cutoff z values that satisfy the following percentage conditions in the Standard Normal distribution. Sketch the N(0,1) curve and shade the appropriate area in each case. (vii) 23% of the observations are less than z (viii) z cuts off the upper 13.5% of observations (ix) 64.2% of the observations are greater than z Normal Distributions: How to use the z-table © 2010 Radha Bose FSU Department of Statistics 4 (x) z values enclose the middle 39% of observations (xi) 7% of the data is less than 0 but greater than z (xii) z cuts off the lower 88% of observations...
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This document was uploaded on 10/31/2011 for the course STAT STA2023 at FSU.

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Normal Distbns- - 3 Find the cutoff z values that satisfy the following percentage conditions in the Standard Normal distribution Sketch the N(0,1

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