subject

The manufacturer of a certain type of new phone battery claims that the average lifespan of the batteries is 500 charges; that is, the battery can be charged at least 500 times before failing. To investigate the claim, a consumer group will select a random sample of cell phones with the new battery and use the phones through 500 charges of the battery. The proportion of batteries that fail to last through 500 charges will be recorded. The results will be used to construct a 95 percent confidence interval tl estimate the proportion of all such batteries that fail to last through 500 charges

ansver
Answers: 3

Another question on Advanced Placement (AP)

question
Advanced Placement (AP), 25.06.2019 18:00
Which best explains why the number of states in the world increased significantly between 1985 and 1995? the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.
Answers: 1
question
Advanced Placement (AP), 26.06.2019 00:00
The place or system in which goods are traded illegally it is two words
Answers: 1
question
Advanced Placement (AP), 27.06.2019 08:00
Terrence would like to reward himself after each goal he sets, but he's not sure what type of reward to choose. he's easily distracted and finds it hard to concentrate at times. which would be the best type of reward for terrence? a. a brief social network break b. a long nap c. a snack while he keeps studying d. watching a couple of tv shows
Answers: 1
question
Advanced Placement (AP), 28.06.2019 01:30
Amedical coder in a cardiologist's office is preparing a report about clinical services provided to a patient. the report will be sent to the patient's insurance company. the services included an ekg to record the heart beat and an echocardiogram to take pictures of the heart. for every service, the coder will record a(n) procedure code. definition code. who code. icd-o-3 code.
Answers: 1
You know the right answer?
The manufacturer of a certain type of new phone battery claims that the average lifespan of the batt...
Questions
question
Biology, 25.09.2019 17:40
question
Mathematics, 25.09.2019 17:40
question
Social Studies, 25.09.2019 17:40
question
Spanish, 25.09.2019 17:40
question
Social Studies, 25.09.2019 17:40
Questions on the website: 13722367