Use the given shaded area (0.7493) in the middle of the standard normal distribution and the given z-score (1.05) te findthe missing Z-score. The shaded region is not symmetric about z 0. Round your final answer to two decimal placesShaded Area-0.7493201.05-1-2-3-4Lower z-score

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Asked Nov 11, 2019
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Use the given shaded area (0.7493) in the middle of the standard normal distribution and the given z-score (1.05) te find
the missing Z-score. The shaded region is not symmetric about z 0. Round your final answer to two decimal places
Shaded Area-0.7493
2
0
1.05
-1
-2
-3
-4
Lower z-score
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Use the given shaded area (0.7493) in the middle of the standard normal distribution and the given z-score (1.05) te find the missing Z-score. The shaded region is not symmetric about z 0. Round your final answer to two decimal places Shaded Area-0.7493 2 0 1.05 -1 -2 -3 -4 Lower z-score

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Expert Answer

Step 1

Solution: We are given that area between the two z-values is 0.7493. The upper value of the z-score is given and it is 1.05

 

Step 2

We have to find lower value of z-score such that the area between this value and z-score = 1.05 is 0.7493.

 

Step 3

We know that the total area under the normal curve is 1. We know that between two values lies 0.7493 area, therefore, uncovered area is:

uncovered area =...

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P(z>1.05) 0.1469 Therefore, the area less than lower z-score is: 0.2507-0.1469-0.1038

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