Automobiles Purchased An automobile owner found that 20 years ago, 74% of Americans said that they would prefer to purchase an American automobile. He believes that the number is much greater than 74% today. He selected a random sample 01'48 Americans and found that 42 said that they would prefer an American automobile Can it be concluded that the percentage today is greater than 74%? At [1 : 0.05, is he correct? Use the critical value method with tables. Do not round intermediate steps. Part: D I 5 PartlofS (a) State the hypotheses and identify the claim. HD: ':| l(choose one) I l H1 : '_| '(Choose one) V ' This hypothesis test is a |(Choose one) Y ltest. m IV Espar'ml Espanol Television Set Ownership According to Nielsen Media Research, of all the U.S. households that owned at least one television set, 83% had two or more sets. A local cable company canvassing the town to promote a new cable service found that of the 299 households visited, 231 had two or more television sets. At a = 0.01, is there sufficient evidence to conclude that the proportion is less than the one in the report? Do not round intermediate steps. Part: 0 / 5 olo Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: (Choose one) 0=0 00 H1 : (Choose one) 0*0 030 020 This hypothesis test is a (Choose one) V test. P X 5When you are testing hypotheses by using proportions, what are the necessary requirements? Onp 2 5 and nq 2 5 X 5 Op =1-n Oq=1-n Onpq >5 On=p