Author Question: The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What ... (Read 42 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What sample size must be selected in order to be 97 confident that the margin of error will not exceed 50 hours?

Question 2

What steps of the problem solving process are involved in decision making?



Harbringer

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

1206

Answer to Question 2

Answer not provided.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library