The numbers of successes and the sample sizes are given for independent simple random samples from two populations.Use the two-proportions z-interval procedure to obtain the specified confidence interval.
-$\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$ confidence interval
A)$- 0.625$ to $- 0.275$
B) $- 0.649$ to $- 0.251$
C) $- 0.674$ to $- 0.226$
D) $- 0.699$ to $- 0.201$

Question

The numbers of successes and the sample sizes are given for independent simple random samples from two populations.Use the two-proportions z-interval procedure to obtain the specified confidence interval.
-$\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$ confidence interval  
A)$- 0.625$ to $- 0.275$
B) $- 0.649$ to $- 0.251$
C) $- 0.674$ to $- 0.226$
D) $- 0.699$ to $- 0.201$

Quizplus · Accepted Answer

The Answer of The numbers of successes and the sample sizes are given for independent simple random samples from two populations.Use the two-proportions z-interval procedure to obtain the specified confidence interval.
-$\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$ confidence interval  
A)$- 0.625$ to $- 0.275$
B) $- 0.649$ to $- 0.251$
C) $- 0.674$ to $- 0.226$
D) $- 0.699$ to $- 0.201$

The Numbers of Successes and the Sample Sizes Are Given x1=32,n1=80,x2=17,n2=20.99%\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%x1​=32,n1​=80,x2​=17,n2​=20.99%

The Numbers of Successes and the Sample Sizes Are Given $\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$