Answer: The margin of error = 
Step-by-step explanation:
Given
Sample size (n) = 1000
Population proportion = 0.4
= 1 - confidence level
= 1 - 0.95
= 0.05




= 0.03
The margin of error change to
to 
Answer:
1. Abiotic is the third answer
2. Biotic is the first answer
3. flora is the second answer
4. fauna us correct
Step-by-step explanation:
If
Step-by-step explanation:
the answer is
a= 2
b=3
c= 8
Answer:
2.7 tablespoons.
Step-by-step explanation:
If you divide 72 by 48 you will get 2.57142857143, round to the nearest tenth you get, 2.7 tablespoons
Answer:
68
Step-by-step explanation:
70+2-4= 68