Let’s say that about 38% of the population has O+
Let’s say that about 38% of the population has O+
blood type. If we had 217 volunteers come in to donate blood, about how many would we expect to have O+ blood? Say we needed to get 100 people with O+ blood to meet current demand. What is the probability that we will reach that goal with the 217 that came? How could we increase the probability of getting at least 100 with O+ to donate?