Question

A student collected some data about hear
from different age groups. There were 10
In the under 10 year age group 80% of the
tested could hear the complete range from
20 000 Hz. 10% of the remaining sample
hear the low notes. The rest could not hear
10
each group.
notes.
In the 10 to 40 year age group 40% of the
tested could hear all the range. From the
sample 20 people could not hear the high
the rest could not hear the low notes.
In the over 40 year age group only 10 peop
hear all the range. 80% of the rest could mi
the high or low notes.
a) Sort out the data so that it is easier to a
can use charts tables or graphs.
​

Answer 1

Answer:

${ { \frac{ \frac{? \times \fr {?}^{2} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} ac{?}{?} \times \frac{?}{?} }{?} }{?} }^{?} }^{?}$