Determine Whether the Given Conditions Justify Using the Margin of Error

question 59

Multiple Choice

Determine whether the given conditions justify using the margin of error $\mathrm { E } = \mathrm { z } _ { \alpha / 2 } \sigma / \sqrt { \mathrm { n } }$ when finding a confidence interval estimate of the population mean $\mu$ .
-The sample size is n = 286 and $\sigma = 15$

• A)Yes
• B)No

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