Find the Standardized Test Statistic Estimate, Z, to Test the Claim

question 31

Multiple Choice

Find the standardized test statistic estimate, z, to test the claim that $\mathrm { p } _1 > \mathrm { p } _ { 2 }$ 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)0.362
• B)2.116
• C)1.324
• D)0.638

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