« 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 43 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?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Catalase Test Catalase Test
Performing a Glycosylated Hemoglobin A1C Test Using a Bayer DCA Vantage Analyzer Performing a Glycosylated Hemoglobin A1C Test Using a Bayer DCA Vantage Analyzer
Diesel Emission Testing - Opacity Test. Diesel Emission Testing - Opacity Test.
Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ... Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ...
Examples of the Types of Cards Used in a Test of Inductive Reasoning Examples of the Types of Cards Used in a Test of Inductive Reasoning
A test of Yanofsky’s proposed trp operon gene map A test of Yanofsky’s proposed trp operon gene map
Video: Lipid catabolism ( ketogenesis and oxidation of glycerol) and Lipid anabolism (lipogenesis)

For a complete list of videos, visit our video library