There are four major blood types: A, B, AB, and O. Considering the Rh factor, there are a total of 8 blood type groups: A , A-, B , B-, AB , AB-, O , O- Researchers were interested in whether the blood type distribution was the same across all races. The data set we will be working on contains the blood type of 400 people, 100 from each of the four major ethnic groups: African America, Asian, Caucasian, and Latinx. Pick ONE of the 8 blood types you want to investigate. Fill in the blank: I will investigate the distribution of blood type _______ . 8. Mark the number line with appropriate values and draw the four confidence intervals above it. 9. What is your conclusion based on the confidence intervals about the blood types across the four major ethnic groups? Are they similar? Close? Not close? Explain your answer in full sentences. 10. Would the 90% confidence interval for the same data be wider or narrower