Mathematics, 27.04.2021 15:00 bobk1433
g the director of manufacturing at a clothing factory needs to determine whether a new machine is producing a particular type of cloth according to the manufacturer's specifications, which indicate that the cloth should have a mean breaking strength of at least 70 pounds. A sample of 49 pieces of cloth from the machine reveals a sample mean breaking strength of 69.1 pounds and a standard deviation of 3.5 pounds. alternative hypothesis
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