Mathematics, 12.04.2021 23:20 lizdeleon248
The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. They would like the estimate to have a maximum error of 0.13 gallons. A previous study found that for an average family the standard deviation is 1.3 gallons and the mean is 18.5 gallons per day. If they are using a 98% level of confidence, how large of a sample is required to estimate the mean usage of water
Answers: 3
Mathematics, 21.06.2019 17:30
Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?
Answers: 1
Mathematics, 21.06.2019 19:30
Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?
Answers: 1
The water works commission needs to know the mean household usage of water by the residents of a sma...
Mathematics, 04.10.2020 17:01
Mathematics, 04.10.2020 17:01
Mathematics, 04.10.2020 17:01
Mathematics, 04.10.2020 17:01
Chemistry, 04.10.2020 17:01
Mathematics, 04.10.2020 17:01
SAT, 04.10.2020 17:01