Question

15
a recent study showed that
3 out 80 babies born in a certain
hospital had green as the color of their
eyes. based on this study, how many of
the 320 babies born in that hospital last
year would you expect to have green
as the color of their eyes?
a 9 babies c 15 babies
b 12 babies d 20 babies

Explanation:

Step1: Find scaling factor

$\frac{320}{80}=4$

Step2: Calculate expected number

$3\times4=12$

Answer:

B. 12 babies