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 86 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
Wow, this really help

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

The Scale of Life 1 The Scale of Life 1
inner life of cell inner life of cell
Drag the labels to indicate the change in the size of the reservoir. . . Drag the labels to indicate the change in the size of the reservoir. . .
Clinical Embryology Training:Promising career for Life science Graduates Clinical Embryology Training:Promising career for Life science Graduates
Noid lights are usually purchased as an assortment so that one is available for any type or size ... Noid lights are usually purchased as an assortment so that one is available for any type or size ...
Healthy eating is a way of life Healthy eating is a way of life
Video: Burn Animation

For a complete list of videos, visit our video library