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A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Construct a normal probability plot for the following sample of observations on coating thickness for low-viscosity paint. 0.82 0.86 0.87 1.02 1.08 1.12 1.31 1.31 1.48 1.49 1.57 1.61 1.63 1.70 1.75 1.84 n USE SALT Determine the z percentile associated with each sample observation. (Round your answers to two decimal places.) Sample observation 0.82 0.86 0.87 1.02 1.08 1.12 1.31 1.31 z percentile Sample observation 1.48 1.49 1.57 1.61 1.63 1.70 1.75 1.84 z percentile Choose the plot that best represents the normal probability plot for the sample of observations. thickness thickness 1.8 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0.8 0.8 -1 -1 1 thickness thickness 1.8 . 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0.8 0.8 1 1 2 -1 1 2 Would you feel comfortable estimating population mean thickness using a method that assumed a normal population distribution? O Yes, the probability plot is reasonably straight. O Yes, the probability plot is not straight. O No, the probability plot is reasonably straight. O No, the probability plot is not straight.
Transcribed Image Text:Construct a normal probability plot for the following sample of observations on coating thickness for low-viscosity paint. 0.82 0.86 0.87 1.02 1.08 1.12 1.31 1.31 1.48 1.49 1.57 1.61 1.63 1.70 1.75 1.84 n USE SALT Determine the z percentile associated with each sample observation. (Round your answers to two decimal places.) Sample observation 0.82 0.86 0.87 1.02 1.08 1.12 1.31 1.31 z percentile Sample observation 1.48 1.49 1.57 1.61 1.63 1.70 1.75 1.84 z percentile Choose the plot that best represents the normal probability plot for the sample of observations. thickness thickness 1.8 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0.8 0.8 -1 -1 1 thickness thickness 1.8 . 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0.8 0.8 1 1 2 -1 1 2 Would you feel comfortable estimating population mean thickness using a method that assumed a normal population distribution? O Yes, the probability plot is reasonably straight. O Yes, the probability plot is not straight. O No, the probability plot is reasonably straight. O No, the probability plot is not straight.
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