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 40 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
Great answer, keep it coming :)


dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library