2. The Corona virus is expanding outside the Asian countries. Surveying 9,000 US travelers 19% said they have changed their spring travel plans because of the spread of the virus. What is the margin of error with a 92% confidence? Show all of your work. ageng ME = 3. A health insurance company wants to know the proportion of admitted hospital patients who have a type 2 diabetes at Orlando Health hospitals. How large of a sample should be taken to estimate the proportion within 6% at 93% confidence? n = 4. An Orlando radio station is interested in knowing the percentage of their listeners who attend their Summer Concert Series. How many listeners would the radio station need to sample to determine with a 95% confidence that they attend the summer concerts within 7%? n =