Would you accept the venders advertised rating

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A way I could see testing this is to that my supplier has advertised that they have a 90% net fill rating for 60,000 stocked items bought through them. My company feels this is a fallacy and says that in their sample of 500 random purchases that there was a net fill rate of 75% with a standard deviation of 1.5%.

What is the Z Value?

What is the P Value?

Would you accept the venders advertised rating?

Reference no: EM132857785

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