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From a population of cans of coffee marked 12 ounces, a random sample of 20 cans was selected and the contents of each can were
From a population of cans of coffee marked "12 ounces", a random sample of 20 cans was selected and the contents of each can were weighed. The sample revealed a mean of 11.80 ounces and a sample standard deviation of 0.5 ounces. At a 5%(0.05) level of significance, test to see if the mean of the population is at least 12 ounces. What is your Conclusion?
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