A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The actual voltages of power packs labeled as 12 volts are​ 11.77, 11.90,​ 11.64, 11.84,​ 12.13, 11.99, and 11.77. Determine whether the statement is true or false.

A confidence interval estimate of the population mean would only be valid if the distribution of voltages is normal.

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