The answer is actually 1.571
Answer:
A.
Step-by-step explanation:
20000milliters = 20litres
((p^2)-pq) - ((q^2)-pq)
(p^2) - (q^2) - 2pq
Each of these questions is substantially the same as the others. The answer is, "it depends" on what you want a random sample of. If you want random people in the country, you will not get that from these protocols.
If you want random people that meet certain criteria (have phones, shop in eyeglasses stores, use specific venues), then these protocols will deliver.
