From the results of the study, it was concluded that the prevalence of anemia in pregnant women in District X was 20%. There were 10 pregnant women who were chosen at random who lived in the target area of the District X Health Center. Then calculate what the probability is among the 10 pregnant women:

a. No anemia? b. Is there one who is anemic? c. At most 2 pregnant women who are anemic? d. At least 3 people are anemic