subject

Mathematics, 11.11.2020 17:10 monkeys450

A manufacturer claims that the mean lifetime of its lithium batteries is 1200 hours. A homeowner selects 25 of these batteries and finds the mean lifetime to be 1180 hours with a standard deviation of 80 hours. Test the manufacturer's claim. Use ΅ = 0.05. Round the test statistic to the nearest thousandth.

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 16:00

The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.

Answers: 1

question

Mathematics, 21.06.2019 21:20

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10

Answers: 2

question

Mathematics, 21.06.2019 23:30

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?

Answers: 1

question

Mathematics, 22.06.2019 01:30

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite

Answers: 1

You know the right answer?

A manufacturer claims that the mean lifetime of its lithium batteries is 1200 hours. A homeowner sel...

Questions

question

World Languages, 10.10.2019 23:10

Which strategy is most likely to improve a search engine query? a write it as a complete sentence incorrect answer b re-order the keyword...

question

Health, 10.10.2019 23:10

A45 year old female patient presents to the emergency department in the care of her husband with a complaint of agitation and anxiety. her husband sta...

question

Biology, 10.10.2019 23:10

You introduce cyanide to an actively respiring mitochondrion. cyanide blocks the transfer of electrons from the last cytochrome in the etc to oxygen....

question

Social Studies, 10.10.2019 23:10

According to the one-dimensional view of power, the powerful must listen to the grievances of the minority power struggles are those that are visible...

question

Business, 10.10.2019 23:10

At the start of the month, oak inc. had 58,000 units of beginning work in process that were 65% complete. over the course of the month, the firm compl...

question

Spanish, 10.10.2019 23:10

¡inténtalo! fill in the blanks activity vol textbook instructionsindica el presente de estos verbos reflexivos. october 06 11: 59 pm 6 attempts remain...

question

Social Studies, 10.10.2019 23:10

Jensen co. wants to establish a new subsidiary in mexico that will sell computers to mexican customers and remit earnings back to the u. s. parent. th...

question

Business, 10.10.2019 23:10

As the manager of a golf resort, you want to increase the number of tee times sold by 10 percent. your staff economist (and junior caddy) has determin...

question

Business, 10.10.2019 23:10

Which of the following is an example of selling? a college student asking a professor to let him enroll in a course section already closed. a potenti...

question

Social Studies, 10.10.2019 23:10

In the first play of the oedipus trilogy, creon plays a minor and sympathetic role. by the end of antigone, he suffers from the same flaws as oedipus,...

question

Social Studies, 10.10.2019 23:10

Lee promised his brother kirby that he would watch the cincinnati bengals’s football game with him at home. however, lee’s friend sue won tickets on a...

question

Social Studies, 10.10.2019 23:10

The principal has several remedies available, including for breach of fiduciary duties and remedies if the agent engages in misrepresentation, neglige...

question

Mathematics, 10.10.2019 23:10

Anational car rental agency is interested in determining whether the mean days that customers rent cars is the same between three of its major cities....

question

Mathematics, 10.10.2019 23:10

The wall street journal reported that the average amount of time that a french person spends eating lunch at a restaurant is 22 minutes. perform a hyp...

question

Health, 10.10.2019 23:10

The nurse teaches a new graduate nurse about the plan of care for a patient with chronic kidney disease (ckd) and anemia. the nurse notes that the ane...

question

Health, 10.10.2019 23:10

Response - incorrect aliyaah’s height is at the 17th percentile of the distribution, and she is shorter than jayne. a aliyaah’s height is at the 67th...

question

Business, 10.10.2019 23:10

Imagine tom's annual salary as an assistant store manager is $30,000, he owns a building that rents for $10,000 yearly, and his financial assets gener...

question

Social Studies, 10.10.2019 23:10

Which of the following is a properly stated research hypothesis? group of answer choices there is no relationship between children’s homelessness and...

question

Mathematics, 10.10.2019 23:10

Abicycle wheel has a small pebble embedded in its tread. the bike is set upside down, and the rider accidentally bumps the wheel and the pebble moves...

question

Social Studies, 10.10.2019 23:10

Incidental beneficiary a person who is not a party to a contract but who will benefit by the performance of the contract third party beneficiary a per...

More questions: Mathematics Another questions

Questions on the website: 13722366