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Answered: - i really need help can someone please answer the question i have


i really need help can someone please answer the question i have uploaded .?


Question:

 

Consider the formula used for any confidence interval and the elements included in that formula.

 

A) What happens to the confidence interval if you

 

1. (a) increase the confidence level,

 

2. (b) increase the sample size, or

 

3. (c) increase the margin of error?

 

Only consider one of these changes at a time. Explain your answer with words and by referencing

 

the formula.

 

B) What usages of confidence intervals have you seen in the

 

1. news

 

2. polls

 

3. weather

 

4. medicine

 

5. economics

 

6. finance

 

7. astrophysics

 

8. quantum physics

 

9. road construction

 

10. contract submission

 

11. any type of projection of future possibilities (manufacturing, auto sales, price of fuel, ...)

 

12. (your topic goes here)...

 

areas?

 

C) Where did you use a confidence interval today? (Often, the statement begins with "I believe

 

that"

 

(though that can be unstated, and we just begin with

 


 

 

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