Which of the Following Is a Required Condition for Using $n _ { 1 } p _ { 1 } > 30$

question 84

Multiple Choice

Which of the following is a required condition for using the normal approximation to the binomial in constructing interval estimate for the difference between two population proportions?

• A) \(n _ { 1 } p _ { 1 } > 30\) and \(n _ { 2 } p _ { 2 } > 30\) .
• B) \(n _ { 1 } p _ { 1 } > 5\) and \(n _ { 2 } p _ { 2 } > 5\) .
• C) and .
• D) \(n _ { 1 } p _ { 1 } > 5,\) \(n _ { 1 } q _ { 1 } > 5,\) \(n _ { 2 } p _ { 2 } > 5,\) and \(n _ { 2 } q _ { 2 } > 5\) .

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