Mathematics, 08.11.2019 06:31 kennycooper3096

# Aresearch engineer for a tire manufacturer is investigating tire life for a new rubber compound. she has built 10 tires and tested them to end-of-life in a road test. the sample mean and standard deviation are 61,492 and 2990 kilometers, respectively. assume population is approximately normally distributed. (a) can you conclude, using =0.05, that the standard deviation of tire life exceeds 3000 km ? yes ot no ?

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Mathematics, 21.06.2019 18:30

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Answers: 2

Mathematics, 21.06.2019 18:30

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Answers: 2

Mathematics, 21.06.2019 19:00

Francine has a picture whose length is 4/3 its width she wants to enlarge the pictures to have an area of 192in^2. what will the dimensions of the enlarged picture be? model the scenario and solve. then, explain in at least one sentence your solution and include the reasonableness of your solution

Answers: 1

Aresearch engineer for a tire manufacturer is investigating tire life for a new rubber compound. she...

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