(a)    Given that the null hypothesis is μ=90 and the alternative hypothesis is μ>90μ>90 using α=.05, find the following: (i)    critical z score  = (ii)    test statistic = (b)    Given that the null hypothesis is μ=90 and the alternative hypothesis is μ≠90 using α=.05, find the following: (i)    the positive critical z score     (ii)    the negative critical z score     (iii)    test statistic = The conclusion from part (a) is: A. Reject the null hypothesis B. There is insufficient evidence to reject the null hypothesis C. None of the above The conclusion from part (b) is:

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question

PLESE SOLVE IT RIGHT OTHERWISE I AM REPORTING 

A random sample of 100 observations from a population with standard deviation 13.1451478601604 yielded a sample mean of 92.4
(a)    Given that the null hypothesis is μ=90 and the alternative hypothesis is μ>90μ>90 using α=.05, find the following:

(i)    critical z score  =

(ii)    test statistic =

(b)    Given that the null hypothesis is μ=90 and the alternative hypothesis is μ≠90 using α=.05, find the following:

(i)    the positive critical z score    

(ii)    the negative critical z score    

(iii)    test statistic =

The conclusion from part (a) is:


A. Reject the null hypothesis
B. There is insufficient evidence to reject the null hypothesis
C. None of the above

The conclusion from part (b) is:


A. There is insufficient evidence to reject the null hypothesis
B. Reject the null hypothesis
C. None of the above

 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON