« previous next »

Author Question: What is the test statistic for this test? A) Z = 2.04 B) t = 1.79 C) t = 2.04 D) Z = ... (Read 54 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
on: Jun 24, 2018
What is the test statistic for this test?
 
  A) Z = 2.04
  B) t = 1.79
  C) t = 2.04
  D) Z = 1.79

Question 2

Find the 95th percentile.
 
  What will be an ideal response?


Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

Find x0 such that P(X  x0 ) = 0.95 = P(Z  z0 ).
Since the area to the left of z0 is greater than .5, z0 must be larger than zero such that P(0 < Z < z0 ) = 0.45, so z0 = 1.645. Thus, x0 = 75 + (1.645 )(4 ) = 81.58


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Rinne Test, Assessing Bone Conduction Rinne Test, Assessing Bone Conduction
Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Schamroth test A. Healthy nail B. Clubbing Schamroth test A. Healthy nail B. Clubbing
Morgan’s test-cross analysis of genetic linkage between autosomal genes Morgan’s test-cross analysis of genetic linkage between autosomal genes
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library