This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: For a normally distributed set of scores with = 100 and = 20, what is the probability of a score ... (Read 37 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jun 20, 2018
For a normally distributed set of scores with  = 100 and = 20, what is the probability
  of a score being between 60 to 140?
 
  a. .3413
  b. .5000
  c. .6826
   d. .9544

Question 2

Suppose a non-directional z test was performed and the null hypothesis rejected with a
  significance level of .05. Which one of the following could have been the value of zobs in
  the statistical test?
 
  a. -1.98
  b. -1.68
  c. -1.34
  d. +1.68


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


Capo

  • Hero Member
  • *****
  • Posts: 545
Reply #2 on: Jun 20, 2018
Thank you


olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Apgar Score Apgar Score
Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage VI (Intimacy) for two cohorts. Scores for both cohorts increase ...
How to use a tree diagram to find the probability How to use a tree diagram to find the probability
Solve this probability question Solve this probability question
Pedigree Probability Pedigree Probability
Lod Score Values for the Families in Figure 5.15 Lod Score Values for the Families in Figure 5.15
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library