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A manufacturer claims that the mean weight of flour in its 32-ounce bags is 32.1 ounces....

A manufacturer claims that the mean weight of flour in its 32-ounce bags is 32.1 ounces. A T-Test is performed to determine whether the mean weight is actually less than this. The mean weight for a random sample of 45 bags of flour was 30.7 ounces with a standard deviation of 2.5 ounces. Test the claim at the 5% significance level.
a) Check the assumptions:
b) Hypotheses (State in symbols and in words):
Ho:
Ha:
c) Test Statistic: d) Sketch:
e) P-Value: f) Conclusion:
Math   Statistics-And-Probability   
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