Question

Question: (Graph photo attached)
A 2010 estimate of Australia's population is 21,515,754.
Which is the best estimate of the number of Australians with type AB blood in 2010?

Question options:

A. 645,473
B. 2,151,575
C. 8,175,987
D. 10,542,719

Answer 1

21,515754×48 >>> 38%+10% =48%
21,515,754×48= 1032756192 estimates to D.

Answer 2

Answer:

The best estimate of the number of Australians with type AB blood in 2010 is 645,473.

Step-by-step explanation:

Total estimate of Australia'a population = 21,515,754

Percentage of population with AB blood group type = 3%

Number of population with AB blood group type be X

$3\%=\frac{X}{21,515,754}\times 100$

$X=\frac{3}{100}\times 21,515,754=645,472.62$

645,472.62 ≈ 645,473

The best estimate of the number of Australians with type AB blood in 2010 is 645,473.