Vegetarians are much less common in the United States than in the rest of the world. In a 2018 survey of 11,000 people in the United States, VeganBits found 55 who are vegetarians.

a. Develop a point estimate of the proportion of people in the United States who are vegetarians.

b. Set up a hypothesis test so that the rejection of H₀ will allow you to conclude that the proportion of people in the United States who are vegetarians exceeds .004.

c. Conduct your hypothesis test using a 5 .05. What is your conclusion?