This topic contains a solution. Click here to go to the answer

Author Question: The cycle times for an electroplating machine are believed to be normally distributed. Twenty-one ... (Read 69 times)

trevg

  • Full Member
  • ***
  • Posts: 160
The cycle times for an electroplating machine are believed to be normally distributed. Twenty-one plating operations are randomly sampled, and cycle times are recorded. The sample average cycle time is 10.21 min, with a standard deviation of 0.59 min. What is a 95% confidence interval for the mean cycle time on this machine?

(9.958, 10.462)


(9.941, 10.479)


(8.979, 11.441)


(9.911, 10.509)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by trevg on Feb 26, 2023

gcurrens

  • Full Member
  • ***
  • Posts: 170
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 29% of students answer this correctly




trevg

  • Member
  • Posts: 160
Reply 2 on: Feb 26, 2023
Wow, this really help


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library