Question
A manufacturer of detergent claims that the contents of boxes sold weigh on average at most 24 ounces. The distribution of weight is known to
A manufacturer of detergent claims that the contents of boxes sold weigh on average at most 24 ounces. The distribution of weight is known to be normal, with a standard deviation of 0.5 ounces. A random sample of 25 boxes yielded a sample mean weight of 23.41 ounces. Test at the 1% significance level the null hypothesis that the population mean weight is at most 24 ounces.
What are the null and alternative hypotheses for this test?
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Probability and Random Processes With Applications to Signal Processing and Communications
Authors: Scott Miller, Donald Childers
2nd edition
123869811, 978-0121726515, 121726517, 978-0130200716, 978-0123869814
