Question

describe the arboreal adaption of primates and include at least two specific anatomical characteristics

Question 11 20 pts According to a prestigious historical society, in 1999,9% of recent high school graduates believe that the Romans invented mayonnaise. A classics scholar believes that the percent has increased since then. He randomly selects 125 recent high school graduates and finds that 17 of them believe in the Roman invention of mayonnaise. Test this researcher's claim at the a= 0.01 level of significance. Use the P-value method only. 20 points. Step 1: Ho: H1: Step 2: Significance level is Step 3: Test Statistics: Step 4: P-value is: Step 5: Reject Ho? Why? Ster 6: Conclusion about the claim:

Answer 1

sal step-1 Null hypothesis! - Ho: P=0.09. i.e., recent high school is al aduates belive that the Romans invented mayonnaise Alternative hypothesis: HaiP >0.09. ie, a clasic scholar belives that the percent has increased stest statistic! 7- 7 p-p Upal (011) In the usual notations, we are given; s=125 x = Number of graduates believe in the Roman=17 p = proportion of graduates believe in the Roman in the sample is = 17 = 0.1360 Test How z= 0.1360 - 0.09 18.09(10.09)/175 stP-2! z = 7.7971 significance level is d=0,01 P-values the p-value is 0.03616. Esince p-value is greater than 2-0.01 then we accept the null hypothesis. usion! Hence we conclude that recent high school graduates believe that the Romans invented marennaise is a the conclusion! Hence we a