The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim, A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At a = 0.05, can you reject the dean's claim? Complete parts (a) through (d) below Assume the population is normally distributed. 11.8 94 13.6 86 74 94 13.7 9.50 OA. HO H 11.0 Ha HaS 110 Ha US 11.0 OF. Ho - 110 H. # 110 (b) Use technology to find the P-value. P=(Round to three decim (c) Decide whether to reject or fail to reject the null hypothesis Which of the following is correct? O A. Reject Ho because the P-value is greater than the significance level O B. Reject Ho becau O C. Fall to reject Ho beca se the P.value is greater than the significance level D. Fail to reject H. because the P-value is less than the significance level Quiz: Module o and 7. quiz Tron The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom ours for eight full-time faculty for one week is shown in the table below. At a # 0.05, can you reject the dean's claim? Complete parts (a) through (d) below. Assum h (d) below. Assume the population is normally distributed. 136 86 74 9A 13.7 9.50 11.8 =(Round to three decimal places as needed) c) Decide whether to reject or fail to reject the null hypothesis Which of the following is correct? O A. Reject Ho because the P-value is gr O B. Reject Ho beca ificance level O C. Fail to reject Ho because ater than the significance level. O D. Fail to reject Ho beca less than the significance level (d) Interpret the decisi xt of the o O A. At the 5%% level of significance the claim that the mean number O B. At the 5% level of significance, there is sufficient evidence to reject the claim that the ber of of classroom hours per week for full-time faculty is 11.0 classroom hours per week for full-time faculty is greater than 11.0. ( C. At the 5%% level of significance, there is not sufficient evidence to reject the claim that the mean number ( D. At the 5% level of significance, there is sufficient evidence to reject the claim that the mear of classroom hours per week for full-time faculty is less than 11,0. classroom hours per week for full-time faculty is 11,0. humane society claims that less than 72% of households in a certain country own a pet. In a random sample of 500 households in that country. 340 say they own a pet. At a - 0.05, is there enough evidence to support the ciety's claim? Complete parts (a) through (c) below, )Identify the claim and state Ho and Ha lentify the claim in this scenario. Select the com below and fill in the a type an integer or a decimal Do not round.) swer box to complete your choice. A. The percentage households in the country that own a pet is not B. Less than % of households in the country own a pet DC. More than % of households in the country own a pet D. %% of households in the country own a pet et p be the popul ehold in the country that owns a pet. State He and H. Select the correct choice below and fill in the answer boxes to complete your choice, Round to two decimal places as needed.) A. Ho Pa O B. HOPE C Ho PS H. PS H. P2 Haps DD. HOPS DE Ho PH OF Hop# Ha p= OD. Ho: Ps Ha: P> Ha: P# (b) Use technology to find the P-value. Identify the standardized test statistic z= (Round to two decimal places as needed.) Identify the P-value. P =[ (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis and (d) interpret the decision in the context of the original claim. the null hypothesis. There. | enough evidence to the society's claim
