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Steve
Steve, Teacher
Category: Homework
Satisfied Customers: 7527
Experience:  I teach Calculus and Probability in a University since 1994
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I need help with week 5 QNT/351 it is a multiple question

Customer Question

Attachment: 2013-06-14_233232_week_5_qnt_351_homework.docx

I need help with week 5 QNT/351 it is a multiple question assignment

Submitted: 1 year ago.
Category: Homework
Expert:  Steve replied 1 year ago.
Hi,

When do you need them ?

Thanks
Customer: replied 1 year ago.


They are not needed until Sunday night or Monday.

Expert:  Steve replied 1 year ago.

Hi,

 

I am checkng the questions again but most of them has remaining parts that i do not see.

 

I see only the first part of the questions, that way i can`t do them all

 

Also i see that some questions have a lot of parts

 

Can you upload the remaining parts or you have to answer

the first part to do them ?

 

Let me know

 

Thanks

 

 

 



Thanks

Customer: replied 1 year ago.


It seems that I have to answer each one at a time on some questions.

Expert:  Steve replied 1 year ago.

If we start now, can you upload the remaining parts ?

Since it`s a lot of work can i do 1 to 8 here and 9 to 15 into a new post ?



Thanks

Customer: replied 1 year ago.


ok thanks


 

Expert:  Steve replied 1 year ago.
Ok, we can start now and if i need those remaining parts you have to send them

Is that ok ?

Thanks
Customer: replied 1 year ago.


ok


 

Expert:  Steve replied 1 year ago.
Answers:


1) A

2) B

3)

part a) B

I need part b)
Customer: replied 1 year ago.


z<-2.575 or z>2.575 probability that type I error will be made


a=??

Expert:  Steve replied 1 year ago.
You have to upload the graphs (screenshots)

Thanks
Customer: replied 1 year ago.


The site will not let me upload screenshot the answer for


3a = b sketch


3a = z,-1.645 was a=0.05


3b = sketch b


3b = z<-2.575 or z>2.575 was a = ???

Expert:  Steve replied 1 year ago.
Oh, but we can`t work that way......

I am doing the last part wait aminute

Thans
Expert:  Steve replied 1 year ago.
3b = z<-2.575 or z>2.575 was a = 0.01


Expert:  Steve replied 1 year ago.
I will do my best....

3 c) select the graph with the shaded region at the right

a = 0.025

3 d) select the graph with the shaded region at the left

a = 0.1

Let me know....
Customer: replied 1 year ago.


excellent


4a?

Expert:  Steve replied 1 year ago.
Ok,

4) a) = 0.8

Options for b) ??
Customer: replied 1 year ago.


a. z <? or a> ?


b. ? < z < ?


c. z < ?


d. z > ?

Expert:  Steve replied 1 year ago.
Ok,

4) b)

option a) z < -1.96 or z> 1.96

5) C




Customer: replied 1 year ago.


excellent


 


6a?


 

Expert:  Steve replied 1 year ago.
answer for question 6)

a) Ho is rejected

Give me part b)

Customer: replied 1 year ago.


Interpret the results of the test. Choose the correct interpretation below


 


a. There is sufficient evidence to indicate the true population mean is smaller than 100 at a=0.05


b. There is sufficient evidence to indicate the true population mean is greater than 100 at a= 0.05


c. There is sufficient evidence to indicate the true population mean is not equal to 100 at a= 0.05

Expert:  Steve replied 1 year ago.
option b)

Customer: replied 1 year ago.


Please remember I will gladly tip twice what is asked for your time in this matter.


b. Test the null hypothesis that μ=100 against the alternative hypothesis that μ≠ 100, using a= 0.05. Interpret the results of the test


a. Hο is rejected


b. Hο is not rejected

Expert:  Steve replied 1 year ago.
Ok, thanks for that 1 bonus into each post is ok

Remember that this post ends in question 8

The answer for part b) is:

b. Hο is not rejected

Customer: replied 1 year ago.


a. there is sufficient evidence to indicate μ is greater than 100 at a=0.05


b. there is sufficient evidence to indicate μ is not equal to 100 at a=0.05


c. there is insufficient evidence to indicate μ is smaller than 100 at a=0.05

Expert:  Steve replied 1 year ago.
option a)

Customer: replied 1 year ago.

answer is b. there is insufficient evidence to indicate u is not equal to 100 at a=0.05 that was my fault for typing wrong.


 


compare the results of the two tests you conducted. Explain why the results differ. choose the correct answer below.


 


a. the results do not differ because these two tests are equivalent


b. the results differ because the alternative hypothesis in part b is more specific than the one in part a.


c. the results differ because the alternative hypothesis in part a is more specific than the one in part b.

Expert:  Steve replied 1 year ago.
option c)


Expert:  Steve replied 1 year ago.
That was the last part for question 6) ?
Customer: replied 1 year ago.

correct


 

Expert:  Steve replied 1 year ago.

Ok,

The site was down ....

answer for question 7)

a) F

Do you have options for part b) ? how many decimal places you need ?

Thanks

Customer: replied 1 year ago.


z= two decimal places as needed

Expert:  Steve replied 1 year ago.
Ok,

7) b)

statistic: z = -2.18

7) c) options ?

Thanks
Customer: replied 1 year ago.


What is the appropriate conclusion at a=0.10?


a. reject Ho. there is sufficient evidence to indicate that μ < 29


b. reject Ho. There is insufficient evidence to indicate that μ < 29


c. do not reject Ho. there is sufficient evidence to indicate that μ<29


d.do not reject Ho. there is insufficient evidence to indicate that μ<29

Expert:  Steve replied 1 year ago.
option a)

question 7 ended ?

Thanks
Customer: replied 1 year ago.


yes ended


 

Expert:  Steve replied 1 year ago.
Ok,

doing question 8) first part
Expert:  Steve replied 1 year ago.
answer for question 8)

part a)

Option A
Customer: replied 1 year ago.


What is the rejection region for the test? Choose the correct answer below


a. z>1.645


b. z>1.96


c. z< -1.96


d. z<-1.645 or z>1.645


e. z<-1.645


f. z<-1.96 or z >1.96

Expert:  Steve replied 1 year ago.
answer: F

Customer: replied 1 year ago.


what is the value of the test statistic?


z=??? two decimal places

Expert:  Steve replied 1 year ago.
Ok,

z = 0.91
Customer: replied 1 year ago.


What is the appropriate conclusion at a=0.05?


a. do not reject the Ho. there is insufficient evidence to conclude that the area sampled is not grassland


b. reject Ho. there is sufficient evidence to conclude that the area sampled is not grassland


c. reject Ho. there is insufficient evidence to conclude that the area sampled is not grassland


d. do not reject the Ho. there is sufficient evidence to conclude that the area sampled is not grassland

Expert:  Steve replied 1 year ago.
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Steve, Teacher
Category: Homework
Satisfied Customers: 7527
Experience: I teach Calculus and Probability in a University since 1994
Steve and 6 other Homework Specialists are ready to help you
Expert:  Steve replied 1 year ago.
Thanks for all

When do you want to open the new post ? (Write "For Steve")

I can help you later tonight or tomorrow morning

Let me know....

Thanks
Customer: replied 1 year ago.


I will most definitely ask tomorrow morning if you have time. thank you for all your help.

Expert:  Steve replied 1 year ago.
Ok,

I wait your request tomorrow morning

What time is good for you ?

Thanks
Expert:  Steve replied 1 year ago.
Hi again

I will be offline now , i will be back around 4 PM (Est time)

We can complete the test (9 to 15) later , what time is good for you after 4 PM ?

Thanks
Customer: replied 1 year ago.


Thank you very much, I will see you at or around 4-4:15 est.

Expert:  Steve replied 1 year ago.
Ok,

I am at home , so you can open the new post now if you want

Thanks

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