Assume That You Plan to Use a Significance Level Of \alpha

question 57

Multiple Choice

Assume that you plan to use a significance level of $\alpha = 0.05$ to test the claim that $p _ { 1 } = p _ { 2 }$ Use the given sample sizes and numbers of successes to find the pooled estimate $\bar { p }$ Round your answer to the nearest thousandth.
$\begin{array} { l l } n _ { 1 } = 100 & n _ { 2 } = 100 \\x _ { 1 } = 42 & x _ { 2 } = 45\end{array}$

• A) 0.479
• B) 0.435
• C) 0.305
• D) 0.392

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