Using the standard normal distribution, find the two z-scores that that form the middle shaded region of 20%. The shaded region is symmetric about z = 0. Use technology and round your z-scores to at least 4 decimal places. -4 Shaded Area = 0.2 -3 -2 -1 Negative z-score = Positive z-score = -Z 0 N N 1 2 3 4

MATLAB: An Introduction with Applications
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Using the standard normal distribution, find the two z-scores that that form the middle shaded region of
20%. The shaded region is symmetric about z = 0. Use technology and round your z-scores to at least 4
decimal places.
-4
Shaded Area = 0.2
-3
-2
Negative z-score =
Positive z-score =
- 1
-Z
0
N
N
1
2
3
4
Transcribed Image Text:Using the standard normal distribution, find the two z-scores that that form the middle shaded region of 20%. The shaded region is symmetric about z = 0. Use technology and round your z-scores to at least 4 decimal places. -4 Shaded Area = 0.2 -3 -2 Negative z-score = Positive z-score = - 1 -Z 0 N N 1 2 3 4
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