A cold medicine bears a label indicating the presence of 550 mg of acetaminophen per fluid ounce with a standard deviation of 17 mg. A researcher claims that each fluid ounce of the medicine contains less than 550 mg. He randomly selected 50 1-oz samples and found out that the mean acetaminophen content was 537 mg. if the level of significance is set to a= 0.05, what is the area of the rejection region and where is it located?

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A cold medicine bears a label indicating the presence of 550 mg of acetaminophen per fluid ounce with a standard deviation of 17 mg. A researcher claims that each fluid ounce of the medicine contains less than 550 mg. He randomly selected 50 1-oz samples and found out that the mean acetaminophen content was 537 mg. if the level of significance is set to a= 0.05, what is the area of the rejection region and where is it located?

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