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Use the One-Proportion Z-Test to Perform the Specified Hypothesis Test

Question 4

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Use the one-proportion z-test to perform the specified hypothesis test. Use the critical-value approach.
- x=30,n=169,H0:p=0.11,Ha:p0.11,α=0.05\mathrm { x } = 30 , \mathrm { n } = 169 , \mathrm { H } _ { 0 } : \mathrm { p } = 0.11 , \mathrm { H } _ { \mathrm { a } } : \mathrm { p } \neq 0.11 , \alpha = 0.05


A) z=1.36\mathrm { z } = 1.36 ; critical values =±1.96= \pm 1.96 ; do not reject H0\mathrm { H } _ { 0 }
B) z=2.81\mathrm { z } = 2.81 .; critical values =±1.645= \pm 1.645 ; reject H0\mathrm { H } _ { 0 }
C) z=1.36\mathrm { z } = 1.36 .; critical values =±1.645= \pm 1.645 ; do not reject H0\mathrm { H } _ { 0 }
D) z=2.81\mathrm { z } = 2.81 .; critical values =±1.96= \pm 1.96 ; reject H0\mathrm { H } _ { 0 }

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