A company who manufactures hearing aids has a goal of having

Last updated: 7/10/2022

A company who manufactures hearing aids has a goal of having no more than 10 defective hearing aids per shipment. A company executive sampled 32 shipments and found an average of 8.5 defective hearing aids per shipment with a standard deviation of 4.2. She claims that this ensures the company is hitting their goal. Test her claim using a significance of alpha = 0.05. Reject the null hypothesis with a p-value of greater than 0.05 Fail to reject the null hypothesis with a p-value of greater than 0.05 Reject the null hypothesis with a p-value of less than 0.05 Fail to reject the null hypothesis with a p-value of less than 0.05