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

Author Question: Use the following statistical output for a difference between two-proportions to determine the upper ... (Read 57 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
Use the following statistical output for a difference between two-proportions to determine the upper bound of the 95 confidence interval.
  <--EndFragment--> ence level.
   CI for Two Proportions
   Sample X N Sample p
   1 30 40 0.750000
   2 13 20 0.650000
   Difference = p (1) - p (2)
   Estimate for difference: 0.1
   95 CI for difference: (-0.1484, _______)
   
  1.0.1481
  2.-0.0484
  3.0.3484
  4.0.1000

Question 2

A study seeks to determine whether the proportion of Dutch boys who listen to music at high volume is greater than this proportion for Dutch girls. After checking to make sure that all of the necessary conditions were met, we calculated the value of the z test statistic to be z = 2.999. Which of the following is the P-value associated with this test?
  1.0
  2.0.0014
  3.0.0028
  4.0.9986
  5.0.9972



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

uniquea123

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

3

Answer to Question 2

2




MirandaLo

  • Member
  • Posts: 538
Reply 2 on: Jul 24, 2018
Excellent


chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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.

For a complete list of videos, visit our video library