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

Author Question: A precision control engineer is interested in the mean length of tubing being cut automatically by ... (Read 49 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jun 24, 2018
A precision control engineer is interested in the mean length of tubing being cut automatically by machine. It is known that the standard deviation in the cutting length is 0.15 feet. A sample of 60 cut tubes yields a mean length of 12.15 feet. This sample will be used to obtain a 99 confidence interval for the mean length cut by machine.
 a. What is the z / 2 value to use in obtaining the confidence interval?
  b. Develop the 99 confidence interval for .

Question 2

Multicollinearity is present when there is a high degree of correlation between the independent variables included in the regression model.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

adf223

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. z / 2 = 2.58
b. LCL = 12.10 and UCL = 12.20 (feet)

Answer to Question 2

T


Tazate

  • Member
  • Posts: 532
Reply 2 on: Jun 24, 2018
Gracias!

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Muscle length versus isometric force Muscle length versus isometric force
Hormonal control of adrenal gland. CRH = corticotropin releasing hormone; ACTH = adrenocorticotropic ... Hormonal control of adrenal gland. CRH = corticotropin releasing hormone; ACTH = adrenocorticotropic ...
The bypass actuator opens the bypass valve to control boost pressure. The bypass actuator opens the bypass valve to control boost pressure.
Control of transcription of a flagellar protein operon by a riboswitch for the regulatory nucleotide Control of transcription of a flagellar protein operon by a riboswitch for the regulatory nucleotide
Control of BP and Blood Flow Control of BP and Blood Flow
Offset Method Plot of Land with Length Line Offset Method Plot of Land with Length Line
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library