« previous next »

Author Question: The level of significance a. can be any positive value b. can be any value c. is (1 - confidence ... (Read 710 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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Confirming an Extinction-Level Impact Site Confirming an Extinction-Level Impact Site
Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ... Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ...
Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs
Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ... Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ...
Solow Model with Saving Dependent on Income Level Solow Model with Saving Dependent on Income Level
What level of barometric pressure effects body? What level of barometric pressure effects body?
Video: Integumentary Anatomy

For a complete list of videos, visit our video library