how do you do longhand

A research center claims that 26% of adults in a certain country would travel into space on a commercial flight if they could afford it. In a random sample of 700 adults in that country, 30% say that they would travel into space on a commercial flight if they could afford it. At a = 0.05, is there enough evidence to reject the research center's claim? Complete parts (a) through (d) below. (a) Identify the claim and state Ho and Ha- 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.) O A. % of adults in the country would travel into space on a commercial flight if they could afford it. O B. No more than % of adults in the country would travel into space on a commercial flight if they could afford it. O C. The percentage adults in the country who would travel into space on a commercial flight if they could afford it is not % . O D. At least % of adults in the country would travel into space on a commercial flight if they could afford it