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If we have a sample of size 100 with sample mean breaking strength of 975 pounds from a population of rope with standard deviation 200
If we have a sample of size 100 with sample mean breaking strength of 975 pounds from a population of rope with standard deviation 200 pounds and we wish to run a hypothesis test with this data to see if the population mean breaking strength is less than 1000 pounds, what is the significance of our data?
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NONE OF THE OTHERS
2P(Z>-1.25)
P(Z>-1.25)
2P(Z<-1.25)
P(Z<-1.25)
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