Find the Weighted Estimate $\overline { \mathrm { p } }$

question 120

Multiple Choice

Find the weighted estimate, $\overline { \mathrm { p } }$ to test the claim that $\mathrm { p } _ { 1 } > \mathrm { p } _ { 2 } \text {. Use } \alpha = 0.01$ Assume the samples are random and independent.
Sample statistics: $\mathrm { n } _ { 1 } = 100 , \mathrm { x } _ { 1 } = 38 , \text { and } \mathrm { n } _ { 2 } = 140 , \mathrm { x } _ { 2 } = 50$

• A)0.367
• B)0.523
• C)0.179
• D)0.633

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