Chapter Seven - Miami Dade College

This occurs because as the confidence level increases, the value of z increases. 8.14, and a. The 99% confidence interval for μ is: to 147.54 b. The 95% confidence interval for μ is: to 146.62 c. The 90% confidence interval for μ is: to 146.16 d. Yes, the width of the confidence intervals decreases as the confidence level decreases. ................
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