« previous next »

Author Question: The level of significance a. can be any positive value b. can be any value c. is (1 - confidence ... (Read 694 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
The level of significance
 a. can be any positive value
  b. can be any value
  c. is (1 - confidence level)
  d. can be any value between -1.96 to 1.96

Question 2

The proprietor of a boutique in New York wanted to determine the average age of his customers. A random sample of 53 customers revealed an average age of 28 years with a standard deviation of 4 years. Determine a 98 confidence interval estimate for the average age of all his customers.


ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

26.68 to 29.32


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. ( Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. (
Zhang Huan, To Raise the Water Level in a Fishpond. Zhang Huan, To Raise the Water Level in a Fishpond.
The developed countries must reduce the level of greenhouse gas emissions The developed countries must reduce the level of greenhouse gas emissions
The level of emissions from transport in the United States is twice as high as the global average The level of emissions from transport in the United States is twice as high as the global average
Sea-Level Pressure Sea-Level Pressure
A Drug’s Plateau Level A Drug’s Plateau Level
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library