[Answered] For a normally distributed set of scores with = 100 and = 20, what is the probability of a score ...

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Author Question: For a normally distributed set of scores with = 100 and = 20, what is the probability of a score ... (Read 21 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

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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

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Author Question: For a normally distributed set of scores with = 100 and = 20, what is the probability of a score ... (Read 21 times)

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