Answer:
The maximum will be 78
Step-by-step explanation:
Children = .65 * people
people = 520 / .65
800 people were in attendance
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




Answer:
Step-by-step explanation:19 and 31