This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An inventor has developed a new spray coating that is designed to improve the wear of bicycle tires. ... (Read 118 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Feb 14, 2020
An inventor has developed a new spray coating that is designed to improve the wear of bicycle tires. To test the new coating, the inventor randomly selects one of the two tires on each of 50 bicycles to be coated with the new spray. The bicycle is then driven for 100 miles and the amount of the depth of the tread left on the two bicycle tires is measured (in millimeters). It is desired to determine whether the new spray coating improves the wear of the bicycle tires. The data and summary information is shown below:



​

CoatedNon-Coated Difference

Mean 1.38 0.85 0.53

Std. Dev. 0.12 0.11 0.06

Sample Size 50 50 50


Use the summary data to construct a 90% confidence interval for the difference between the means.
◦ 0.53 ± 0.01396
◦ 0.53 ± 0.01663
◦ 0.53 ± 0.04512
◦ 0.53 ± 0.03787
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by stock on Feb 14, 2020

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Feb 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


stock

  • Member
  • Posts: 573
Reply 2 on: Feb 14, 2020
:D TYSM

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba
A typical fire extinguisher designed to be used on class A, B, or C fires. A typical fire extinguisher designed to be used on class A, B, or C fires.
The fuel injectors used on this Honda Civic GX CNG engine are designed to flow gaseous fuel instead ... The fuel injectors used on this Honda Civic GX CNG engine are designed to flow gaseous fuel instead ...
All cooling system hoses should be checked for wear or damage. All cooling system hoses should be checked for wear or damage.
Human civilization developed during the most recent interglacial stage Human civilization developed during the most recent interglacial stage
Per capita consumption of power is high in the developed world and highest in the United States Per capita consumption of power is high in the developed world and highest in the United States
Video: Oogenesis Animation

For a complete list of videos, visit our video library