Mathematics, 17.04.2020 21:13 carcamophillip
The batteries produced in a manufacturing plant have a mean time to failure of 30 months, with a standard deviation of 2 months. I select a simple random sample of 400 batteries produced in the manufacturing plant. I test each and record how long it takes for each battery to fail. I then compute that the average failure time of the 400 batteries is 29.9 months with a standard deviation of 2.15 months. In this scenario, the value 30 is:
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 14:30
You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
Answers: 1
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 18:30
Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined
Answers: 1
Mathematics, 21.06.2019 20:30
Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how
Answers: 2
You know the right answer?
The batteries produced in a manufacturing plant have a mean time to failure of 30 months, with a sta...
Questions
Biology, 14.12.2020 20:20
Mathematics, 14.12.2020 20:20
Mathematics, 14.12.2020 20:20
Mathematics, 14.12.2020 20:20
Biology, 14.12.2020 20:20
Mathematics, 14.12.2020 20:20
History, 14.12.2020 20:20
Biology, 14.12.2020 20:20
Health, 14.12.2020 20:20
Mathematics, 14.12.2020 20:20
