Answer:




Step-by-step explanation:
Required
Find n, x, p and q
n always represent the population surveyed;
So:

x represents the sample from the population
So:

p always represents the given proportion

Solving for q




They are not equivalent because
4:5
x2 x2
=8:10
it does not equal 8:12
your welcome:)
Answer:
Right angled triangle
Step-by-step explanation:
There is a 90 degrees angle