Question

Certain guidelines require water to have less than 050 milligram per liter of lead. A test using 22 samples of water in city A found that the average amount of lead in the samples was 040 milligram per liter. All samples had lead content within 5% of the average. (a) Let x denote the number of mg per L of lead. Write a three-part inequality to express the results obtained from the sample (b) Did all the samples meet the requirement? (a) Write a three-part inequality to express the results obtained from the sample. Select the correct answer from the choices below. O A. 0.038 sxS 0.042 O B. 0.039 sxs 0.041 O C. 0.038 <x<0.042 O D. 0.039x<0.041 (b) Did all the samples meet the requirement? Select the correct answer from the choices below. O Yes O No

Answer 1

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