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

question 90

Multiple Choice

Assume that you plan to use a significance level of $\alpha = 0.05$ test the claim that p $\mathrm { p } _ { 1 } = \mathrm { p } _ { 2 }$ , Use the given sample sizes and
numbers of successes to find the pooled estimate $\overline { \mathrm { p } }$ . Round your answer to the nearest thousandth.
- $$\begin{array} { l l } \mathrm { n } _ { 1 } = 255 & \mathrm { n } _ { 2 } = 270 \\\mathrm { x } _ { 1 } = 82 & \mathrm { x } _ { 2 } = 88\end{array}$$

• A) 0.292
• B) 0.324
• C) 0.227
• D) 0.162

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