Question
Example: The weights of all packages of a certain brand of cookies are normal distributed with a mean of 32 ounce and a standard deviation
Example: The weights of all packages of a certain brand of cookies are normal distributed with a mean of 32 ounce and a standard deviation of 0.3 ounce. Find the probability that the mean weight of a random sample of 20 packages of this brand of cookies will be between 31.8 and 31.9 ounces.
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Introductory Statistics
Authors: Prem S. Mann
8th Edition
9781118473986, 470904100, 1118473981, 978-0470904107
