For a normally distributed set of scores with = 100 and = 20, ...

[Capo]

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

[olderstudent]

Answer to Question 1

D

Answer to Question 2

A

[Capo]

Thank you

[olderstudent]

No problem