Assuming That All Necessary Conditions Are Met,what Needs to Be $\hat { p } \pm t _ { \alpha } \sqrt { \hat { p } ( 1 - \tilde { p } ) / n }$

question 98

Multiple Choice

Assuming that all necessary conditions are met,what needs to be changed in the formula $\hat { p } \pm t _ { \alpha } \sqrt { \hat { p } ( 1 - \tilde { p } ) / n }$ so that we can use it to construct a (1 - $\alpha$ ) confidence interval estimate for the population proportion p?

• A) should be replaced by p.
• B) t _\(\alpha\) should be replaced by z _\(\alpha\) .
• C) t _\(\alpha\) should be replaced by t _{\(\alpha\) / 2}.
• D) t _\(\alpha\) should be replaced by z _{\(\alpha\) / 2}.

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