118 Therefore at 19 degrees of freedom the P value must lie between 010 and 015

118 therefore at 19 degrees of freedom the p value

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=0.1level of significance to support the practitioner's claim that the percentage of adults who are morbidly obese haschange since 2010.89) H0: μ =$806, H1<$806, T0=-3.61, P-value =0.0005; reject H0. There is sufficient evidence at the α =0.05 level ofsignificance to support the salesperson's claim that the mean expenditure for auto insurance is less than the 2010amount.90) H0: μ =1.9, H11.9, Z0=-2.91, P-value =0.0036; reject H0. There is sufficient evidence at the α =0.10 level ofsignificance to support the claim that the mean number of pets owned per household has changed since 2010.15

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