A manufacturer of salad dressings uses machines to dispense liquid ingredients into bottles that move along a filling line. The machine that dispenses dressings is working properly when 8 ounces are dispensed. The standard deviation of the process is 0.15 ounces. Suppose that the average amount dispensed in a particular sample of 50 bottles is 7.952 ounces. Develop a 99 confidence interval around this sample mean.
Question 2
From a community of 80 homes, the EPA took a random sample and found the presence of lead in the tap water. In the 10 homes sampled, the average lead content was 12 parts per billion with s = 5 pts/billion. Construct a 99 confidence interval estimate for the population mean. ___________________ _ to ___________________ _ Do you feel that the homes exceed the EPA recommended maximum of 15 pts/billion? Explain your answer.
Fill in the blank(s) with correct word
Shipwreck bottles
Calibrated cups, spoons, droppers, and syringes are often used to administer liquid medications.
The three states of matter: solid, liquid, and gas.
Nutella's raw ingredients
Cucumber and pomegranate salad
What volume of liquid would be dispensed by a P200 set to this volume? P200 Image 1.jpg