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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 \%

Question 29

Multiple Choice

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.
- 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 \% confidence interval


A) 0.625- 0.625 to 0.275- 0.275
B) 0.649- 0.649 to 0.251- 0.251
C) 0.674- 0.674 to 0.226- 0.226
D) 0.699- 0.699 to 0.201- 0.201

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