We calculated from the graph that 10542719 people expected to have type O blood.
What is different blood group?
Generally, human body contains any of these four common types of blood. These are type A, B, O and AB.
How can we estimate our population as per blood group?
If we want to estimate our population containing different blood group. we need to carry out survey study to colect data.
Given, Estimated population in 2010 =21515754
the population in percentage who may have O type blood =49%
Actual number of people who expected to have O type blood =
(21515754×49)/100
=10542719
hence, total 10542719 people expected to have O type blood.
to learn about estimation by surveying visit:
https://brainly.com/question/13051257
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