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 122 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?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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.

Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Review Cognitive Changes over the Adult Years Review Cognitive Changes over the Adult Years
Stock Market Tracks Growth in GDP Stock Market Tracks Growth in GDP
Opener A researcher examines an agarose gel Opener A researcher examines an agarose gel
Juan's Software Service Company is in a perfectly competitive market. Juan has total fixed ... Juan's Software Service Company is in a perfectly competitive market. Juan has total fixed ...
Video: Kidney Stones

For a complete list of videos, visit our video library