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

Author Question: A producer of various kinds of batteries has been producing "D" size batteries with a life ... (Read 85 times)

madimontg

  • Full Member
  • ***
  • Posts: 127
on: Mar 25, 2023

A producer of various kinds of batteries has been producing "D" size batteries with a life expectancy of 87 hours.  Due to an improved production process, management believes that there has been an increase in the life expectancy of their "D" size batteries.  A sample of 36 batteries showed an average life of 88.5 hours.  Assume from past information that it is known that the standard deviation of the population is 9 hours.

a.

Give the null and the alternative hypotheses.

b.

Compute the test statistic.

c.

At 99% confidence using the critical value approach, test management's belief.

d.

What is the p-value associated with the sample results?  What is your conclusion based on the p-value?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by madimontg on Mar 25, 2023

jojo120419

  • Full Member
  • ***
  • Posts: 158
Reply #1 on: Mar 25, 2023
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


madimontg

  • Member
  • Posts: 127
Reply 2 on: Mar 25, 2023
:D TYSM

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

The Many Faces of Life (Part 2) The Many Faces of Life (Part 2)
Basic overview of energy and human life. Basic overview of energy and human life.
Size of Particles Size of Particles
Urban Life Urban Life
A basic strategy for producing a knockout mouse A basic strategy for producing a knockout mouse
Mutation of Raly and Agouti producing yellow coat Mutation of Raly and Agouti producing yellow coat
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library