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Suppose ping-pong balls must have a diameter of 401mm, i.e. [39, 41]mm, to be within tolerance. A factory produces ping-pong balls with diameters that
Suppose ping-pong balls must have a diameter of 401mm, i.e. [39, 41]mm, to be within tolerance. A factory produces ping-pong balls with diameters that follow a normal distribution with mean = 40.5mm and standard deviation = 1mm. i. What proportion of the ping-pong balls produced by this factory are within tolerance?
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Introduction To Statistical Investigations
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
1st Edition
1118172140, 978-1118172148
