MATH221N (MATH221)
Chamberlain College Of Nursing
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MATH 399N Week 6 Discussion: Confidence Interval Concepts 2022/2023 Consider the formula used for any confidence interval and the elements included in that formula. What happens to the confidence interval if you •	increase the confidence level, •	incr
MATH 399N Week 6 Discussion: Confidence Interval Concepts 
2022/2023 
 
 
Consider the formula used for any confidence interval and the elements included in that formula. What happens to the confidence interval if you 
 
•	increase the confidence level, 
 
•	increase the sample size, or 
 
•	increase the margin of error? 
 
 
 
Only consider one of these changes at a time. Explain your answer with words and by referencing the formula.