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 74 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?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
Growth of the body and brain is dramatic over the first 2 years. Growth of the body and brain is dramatic over the first 2 years.
Trends in employed mothers with a child/children younger than 3 years of age Trends in employed mothers with a child/children younger than 3 years of age
Earth 340 Million Years Ago Earth 340 Million Years Ago
Earth 240 Million Years Ago Earth 240 Million Years Ago
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: Decubitus Ulcer

For a complete list of videos, visit our video library