The results of a certain medical test are normally distributed with a mean of 123 and a standard deviation of 20. Convert the given results into z-scores, and then use the table below tofind the percentage of people with readings between 151 and 171.z-scorePercentilez-scorePercentile1.084.132.198.211.186.432.298.611.288.492.398.931.390.322.499.181.491.922.599.38-C1.593.322.699.53The percentage of people with readings between 151 and 171 is%.(Round the final answer to the nearest hundredth as needed. Round the z-score to the nearest tenth as needed.)1.694.522.799.651.795.542.899.741.896.412.999.811.997.133.099.872.097.723.599.98

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The race speeds (in minutes) for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.181.0 180.6 189.2 182.2 175.6 180.0 177.9 181.8 Question content area bottomPart 1A.6.8 minutesB.7.5 minutesC.3.4 minutesD.1.1 minutes
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