Explanation Approach: The normal curve is symmetric with respect to its mean. Figure 1 From Figure 1, observe that the total area under the curve is 1. Calculation: Since the normal curve is symmetric, the area to the left of normal curve is 0.5 and area to the right is 0.5. Area above the score lies to the right of z = 0 and the area below the score lies to the left of z = 0. When 90% of the area is below the score, 10% of the area will be above the score

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ISBN: 9780134434681

Author: Tom Pirnot

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Chapter 14.4, Problem 34E

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The z-score such that 90% of the area under the standard normal curve is below the score.

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Chapter 14.4, Problem 33E

Chapter 14.4, Problem 35E

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Chapter 14 Solutions

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The z -score such that 90% of the area under the standard normal curve is below the score.

To find: The z-score such that 90% of the area under the standard normal curve is below the score.

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Chapter 14 Solutions

To find:

The z-score such that 90% of the area under the standard normal curve is below the score.