This topic contains a solution. Click here to go to the answer

Author Question: Susan would like to conduct a survey of homeowners in the Meadowbrook neighborhood to get their ... (Read 105 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
Susan would like to conduct a survey of homeowners in the Meadowbrook neighborhood to get their opinions on proposed road modifications in the area. She would like to sample 50 homes using systematic sampling.
 
  There are a total of 200 homes in the Meadowbrook neighborhood. What value of k should Susan use?A) 4
  B) 10
  C) 50
  D) 200

Question 2

AT&T would like to test the hypothesis that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans.
 
  A random sample of 200 18- to 34-year-old Americans found that 126 owned a smartphone. A random sample of 175 35- to 49-year-old Americans found that 119 owned a smartphone. If Population 1 is defined as 18- to 34-year-old Americans and Population 2 is defined as 35- to 49-year-old Americans, and using  = 0.01, the conclusion for this hypothesis test would be that because the test statistic is ___________________ ___________________ ___________________ ______.A) less than the critical value, AT&T can conclude that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans
  B) less than the critical value, AT&T cannot conclude that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans
  C) more than the critical value, AT&T can conclude that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans
  D) more than the critical value, AT&T cannot conclude that the proportion of 18- to 34-year-old Americans that own a cell phone is less than the proportion of 35- to 49-year-old Americans



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

A

Answer to Question 2

D




formula1

  • Member
  • Posts: 666
Reply 2 on: Jun 24, 2018
Excellent


meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library