Mathematics, 06.05.2021 19:40 samara49
Maximum Contaminant Levels (MCLs) are regulations on water quality set by the United States Environmental Protection Agency. Researchers measured the Chloramines MCLs (in mg/L) of water samples from random locations of each of two wells. The data are given below. Sample sizeSample meanSample sdWell A153.7 0.3Well B193.40.6Assume normal populations with equal variance and construct a 95% confidence interval for the difference in mean MCLs levels. Find the upper bound of the confidence interval (round off to second decimal place).
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.
Answers: 1
Mathematics, 21.06.2019 21:00
Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?
Answers: 1
Mathematics, 21.06.2019 22:00
The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds
Answers: 3
You know the right answer?
Maximum Contaminant Levels (MCLs) are regulations on water quality set by the United States Environm...
Questions
History, 29.01.2020 05:02
Social Studies, 29.01.2020 05:02
Biology, 29.01.2020 05:02
Mathematics, 29.01.2020 05:02
English, 29.01.2020 05:02
Biology, 29.01.2020 05:02
Biology, 29.01.2020 05:02
Mathematics, 29.01.2020 05:02
World Languages, 29.01.2020 05:02
