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

Author Question: A market researcher randomly selects 400 homeowners under 35 years of age and 100 homeowners over 35 ... (Read 120 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jul 25, 2018
A market researcher randomly selects 400 homeowners under 35 years of age and 100 homeowners over 35 years of age. What sampling technique was used?
 
  A) simple random
  B) convenience
  C) systematic
  D) cluster
  E) stratified

Question 2

The amount of Jen's monthly phone bill is normally distributed with a mean of 75 and a standard deviation of . What percentage of her phone bills are between 42 and 108?
 
  A) 99.74 B) 68.26 C) 95.44 D) 99.99


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 25, 2018
Answer to Question 1

E

Answer to Question 2

A


fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jul 25, 2018
Thanks


sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 25, 2018
Welcome :)


« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b) (a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
Review of Health and Illness over the Adult Years Review of Health and Illness over the Adult Years
Extinction and extirpation per years Extinction and extirpation per years
Earth 200 Million Years Ago Earth 200 Million Years Ago
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library