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Solve the Problem P1⊄P2\mathrm { P } _ { 1 } \not \subset \mathrm { P } 2

Question 62

Multiple Choice

Solve the problem.
-The table shows the number of smokers in a random sample of 500 adults aged 20-24 and the number of smokers in a random sample of 450 adults aged 25-29. Assume that you plan to use a significance level of
Α = 0.10 to test the claim that P1⊄P2\mathrm { P } _ { 1 } \not \subset \mathrm { P } 2 Find the critical value(s) for this hypothesis test. Do the data provide
Sufficient evidence that the proportion of smokers in the 20-24 age group is different from the proportion of
Smokers in the 25-29 age group?  Age 20-24  Age 25-29  Number in sample 500450 Number of smokers 11063\begin{array}{lcc}\hline & \text { Age 20-24 } & \text { Age 25-29 } \\\hline \text { Number in sample } & 500 & 450 \\\text { Number of smokers } & 110 & 63 \\\hline\end{array}


A) z=±1.28z = \pm 1.28 ; yes
B) z=±1.645\mathrm { z } = \pm 1.645 ; yes
C) z=±1.96\mathrm { z } = \pm 1.96 ; no
D) z=1.28\mathrm { z } = 1.28 ; no

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