Question

Match the confidence level with the confidence interval for the population mean. Type the correct letter in each box. 1. $\bar{x} \pm 1.645 \left(\frac{\sigma}{\sqrt{n}}\right)$ 2. $\bar{x} \pm 2.575 \left(\frac{\sigma}{\sqrt{n}}\right)$ 3. $\bar{x} \pm 1.282 \left(\frac{\sigma}{\sqrt{n}}\right)$ A. 90% B. 99% C. 80%

          Match the confidence level with the confidence interval for the population mean. Type the correct letter in each box.
1. $\bar{x} \pm 1.645 \left(\frac{\sigma}{\sqrt{n}}\right)$
2. $\bar{x} \pm 2.575 \left(\frac{\sigma}{\sqrt{n}}\right)$
3. $\bar{x} \pm 1.282 \left(\frac{\sigma}{\sqrt{n}}\right)$
A. 90%
B. 99%
C. 80%

Match the confidence level with the confidence interval for the population mean. Type the correct letter in each box.
1. x̅± 1.645 ((σ)/(√(n)))
2. x̅± 2.575 ((σ)/(√(n)))
3. x̅± 1.282 ((σ)/(√(n)))
A. 90%
B. 99%
C. 80%

Added by Jose Ramon R.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Lucas Finney

09/03/2023

Step 1

282 - 90% confidence level corresponds to a z-score of 1.645 - 99% confidence level corresponds to a z-score of 2.575 Step 2: Matching the confidence level with the confidence interval for the population mean: Show more…

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Match the confidence level with the confidence interval for the population mean. Type the correct letter in each box. ar{x} +-1.645((sigma )/(sqrt(n))) ar{x} +-2.575((sigma )/(sqrt(n))) ar{x} +-1.282((sigma )/(sqrt(n))) A. 90% B. 99% C. 80% Match the confidence level with the confidence interval for the population mean. Type the correct letter in each box 1.1.645 2.2.575 3. x 1.282 A.90% B.99% C.80%