3) During a flu vaccine shortage in the United States, it was believed that 45 percent of vaccine-eligible people received flu vaccine. (a) Describe the shape, center, and spread of the sampling...

Need help with A

Extracted text: 3) During a flu vaccine shortage in the United States, it was believed that 45 percent of vaccine-eligible people received flu vaccine. (a) Describe the shape, center, and spread of the sampling distribution of the sample proportion (p) if a random sample of 2,350 people is taken. Assume 45 percent is the population parameter. Discuss any conditions or assumptions in your description. I (b) What is the probability that in this sample at least 47 percent received flu vaccine?