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Dole Pineapple Inc. is concerned that the 450 mL can of sliced pineapple is being overfilled. The population standard deviation is 0.85 mL. The quality
Dole Pineapple Inc. is concerned that the 450 mL can of sliced pineapple is being overfilled. The population standard deviation is 0.85 mL. The quality control department took a random sample of 50 cans and found that the arithmetic mean volume was 451.4 mL.
At the 5% level of significance, can we conclude that the mean volume is greater than 450 mL?
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