content area top Part 1 A medical researcher says that less than 73% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 200 adults in that country, 71% think that healthy children should be required to be vaccinated. At alphaequals0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (d) below. Question content area bottom Part 1 (a) Identify the claim and state Upper H 0 and Upper H Subscript a. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. enter your response here% of adults in the country think that healthy children should be required to be vaccinated. B. Less than 73% of adults in the country think that healthy children should be required to be vaccinated. Your answer is correct.C. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not enter your response here%. D. More than enter your response here% of adults in the country think that healthy children should be required to be vaccinated. Part 2 Let p be the population proportion of successes, where a success is an adult in the country who thinks that healthy children should be required to be vaccinated. State Upper H 0 and Upper H Subscript a. Select the correct choice below and fill in the