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:
Whenever an exponent is negative, you flip the solution.
For this,
, however the exponent is negative, so flip 16 to get your final answer of 
Answer:
1
Step-by-step explanation:
100/100 =
1
srry if wrong but
hope this helps
take care
Answer:
B-7,22,28
Step-by-step explanation:
The sum of the smaller numbers must be greater than the larger number, if not then the answer is wrong.
A = (B + b)xH : 2
A = (4.5+7.5) x 5 : 2
A = 12 x 5 : 2
A = 60 : 2
A = 30 in²