« 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 45 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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

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

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Pichia test Pichia test
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Voltmeter hookup to test the voltage drop of the charging circuit. Voltmeter hookup to test the voltage drop of the charging circuit.
Photo of a sign taken at an emissions test facility. Photo of a sign taken at an emissions test facility.
An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test
Starch iodine test for alpha amylase. Starch iodine test for alpha amylase.
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library