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 36 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?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ... When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
Monozygotic twins’ scores for five personality factors show higher correlations than scores for ... Monozygotic twins’ scores for five personality factors show higher correlations than scores for ...
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE MATH ODDS AND PROBABILITY PLEASE ANSWER THE PICTURE
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library