The Numbers of Successes and the Sample Sizes Are Given $\mathrm { x } _ { 1 } = 27 , \mathrm { n } _ { 1 } = 60 , \mathrm { x } _ { 2 } = 29 , \mathrm { n } _ { 2 } = 77 ; 95 \%$

question 73

Multiple Choice

The numbers of successes and the sample sizes are given for independent simple random samples from two populations.Use the two-proportions plus-four z-interval procedure to obtain the specified confidence interval.
- $\mathrm { x } _ { 1 } = 27 , \mathrm { n } _ { 1 } = 60 , \mathrm { x } _ { 2 } = 29 , \mathrm { n } _ { 2 } = 77 ; 95 \%$ confidence interval

• A)\(0.288\) to \(0.615\)
• B) \(- 0.122\) to \(0.646\)
• C) \(- 0.092\) to \(0.236\)
• D) \(0.258\) to \(0.646\)

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