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Steve, Teacher
Category: Homework
Satisfied Customers: 7610
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

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

Hi,

When do you need them ?

Thanks
Customer: replied 3 years ago.

They are not needed until Sunday night or Monday.

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

the first part to do them ?

Let me know

Thanks

Thanks

Customer: replied 3 years ago.

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

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 3 years ago.

ok thanks

Ok, we can start now and if i need those remaining parts you have to send them

Is that ok ?

Thanks
Customer: replied 3 years ago.

ok

1) A

2) B

3)

part a) B

I need part b)
Customer: replied 3 years ago.

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

a=??

You have to upload the graphs (screenshots)

Thanks
Customer: replied 3 years ago.

3a = b sketch

3a = z,-1.645 was a=0.05

3b = sketch b

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

Oh, but we can`t work that way......

I am doing the last part wait aminute

Thans
3b = z<-2.575 or z>2.575 was a = 0.01

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 3 years ago.

excellent

4a?

Ok,

4) a) = 0.8

Options for b) ??
Customer: replied 3 years ago.

a. z <? or a> ?

b. ? < z < ?

c. z < ?

d. z > ?

Ok,

4) b)

option a) z < -1.96 or z> 1.96

5) C

Customer: replied 3 years ago.

excellent

6a?

a) Ho is rejected

Give me part b)

Customer: replied 3 years 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

option b)

Customer: replied 3 years ago.

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

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 3 years 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

option a)

Customer: replied 3 years 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.

option c)

That was the last part for question 6) ?
Customer: replied 3 years ago.

correct

Ok,

The site was down ....

a) F

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

Thanks

Customer: replied 3 years ago.

z= two decimal places as needed

Ok,

7) b)

statistic: z = -2.18

7) c) options ?

Thanks
Customer: replied 3 years 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

option a)

question 7 ended ?

Thanks
Customer: replied 3 years ago.

yes ended

Ok,

doing question 8) first part

part a)

Option A
Customer: replied 3 years 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

Customer: replied 3 years ago.

what is the value of the test statistic?

z=??? two decimal places

Ok,

z = 0.91
Customer: replied 3 years 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

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Steve, Teacher
Category: Homework
Satisfied Customers: 7610
Experience: I teach Calculus and Probability in a University since 1994
Thanks for all

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

Let me know....

Thanks
Customer: replied 3 years ago.

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

Ok,

I wait your request tomorrow morning

What time is good for you ?

Thanks
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 3 years ago.

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

Ok,

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

Thanks

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