Mathematics, 17.07.2019 20:20, gwenparks

Acomputer manufacturer estimates that its cheapest screens will last less than 2.8 years. a random sample of 61 of these screens has a mean life of 2.4 years. the population is normally distributed with a population standard deviation of 0.88 years. at α=0.02, what type of test is this and can you reject the organization’s claim using the test statistic?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, riptaylorsreputation

7x+8y=-18, 4x-9y=-3 solve the system of equations

Answers: 3

continue

Mathematics, 21.06.2019 23:00, enca2619

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis

Answers: 2

continue

Mathematics, 21.06.2019 23:00, princessroseee769

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

Answers: 2

continue

Mathematics, 21.06.2019 23:30, shady1095

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?

Answers: 1

continue

Do you know the correct answer?

Acomputer manufacturer estimates that its cheapest screens will last less than 2.8 years. a random s...