.Automobiles Purchased An automobile owner found that 20 years ago, 73% of Americans said that they would prefer to purchase an American automobile. He believes that the number differs from 73% today. He selected a random sample of 47 Americans and found that 36 said that they would prefer an American automobile. Can it be concluded that the percentage today differs from 73%? At =α0.05, is he correct? Use the P-value method with tables. Do not round intermediate steps.
h0=
h1=
this hypothesis test is a one tailed or two tailed test
critical value(s)
p value
z=
reject or accept
is there enough evidence to support the claim