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Find the \( z \)-score such that the area under the standard normal curve to the left is 0.85 . is the z-score such that the area under the curve to the left is 0.85 . (Round to two decimal places as needed.)

Ask by Dickson Conner. in the United States
Mar 15,2025

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The \( z \)-score is approximately 1.04.

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To find the \( z \)-score corresponding to an area of 0.85 to the left under the standard normal curve, you can use a standard normal distribution table or a calculator. The \( z \)-score for 0.85 is approximately 1.04 when rounded to two decimal places. In practical terms, this means that about 85% of the values in a standard normal distribution lie below a \( z \)-score of 1.04. This can be useful in various fields, such as psychology or finance, where understanding the spread and probability of outcomes is crucial in making informed decisions.

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