Related Questions

In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
The grouping of blood is based on substances called
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion?
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
Person having blood group 'B' can donate the blood to person having blood group
G-15 is an economic grouping of -
12U2 is the new grouping formed by-
G-15 and economic grouping of which nations?
Which sampling procedure involves grouping the population and then selecting the groups or the clusters rather than individual elements for inclusion in the sample?
The grouping of activities into organizational units is called