Provide an Appropriate Response $\mu .$ Which of the Following Statements Is/are True Regarding the Relationship

Multiple Choice

Provide an appropriate response.
-Suppose you have obtained a 95% confidence interval for $\mu .$ Which of the following statements is/are true regarding the relationship between precision and confidence level? Assume that the Sample size is fixed.
A. Increasing the confidence level to 99% will result in a narrower interval.
B. Decreasing the confidence level to 90% will result in greater precision.
C. Decreasing the precision will result in a higher confidence level.
D. Increasing the precision will result in a higher confidence level.

A) A and C
B) A and D
C) B and C
D) B and D