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67 7 In a sample of 167 children selected randomly from one town, it is fou suffer from asthma. At the 0.05 significance leve
D) The error of falling to ralsct the claim that the mean is greater than 23 miles per gallion when it is actually at most 23
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Let p denotes the population pyoponhon of childnen in the town who suffer from ashthma Hene he elai The nu hyeohhe sis is Thewhene Pshe value of p unden Hu and p isine Smple where e numben of children Sample who suttev in he s oom asrhma np 167 x 8 3As the hest a hwo taiLed as Le 2 2 2. 0 05 2 2 The cihical values ane -1,96 and 1.96 rest, so he P-value is2ト hh a Under Ho kn o w We Φ(z) isine edf of normal dishnbuon d stand ar clearly The nu hy pothesissThene is sufficient evidenee that the p oporhion of aLL child ven in he own who suffen fm) vn asthma is 11 o vejeet the cLaim

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