Which of the Following Conditions Does Not Allow You to Use

question 138

Multiple Choice

Which of the following conditions does not allow you to use the formula $\bar { x } \pm z _ { a / 2 } \sigma / \sqrt { n }$ to estimate $\mu$ ?

• A)Population is normally distributed and the population variance is known.
• B)Population is not normally distributed but n is large; population variance is known.
• C)Population has any distribution and n is any size.
• D)All of these choices allow you to use the formula.

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