Rational numbers are _____ natural numbers. A. Always B. Sometimes C. Never
1 answer:
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For this case we have the following inequality:
We must clear x, for this we subtract 3 on both sides of the inequality, obtaining:
This means that x: (2, ∞), the domain of x goes from 2 to infinity, not including 2.
Therefore, the graph that represents the solution is A.
Answer:
Option A
Answer:
n = 61 costumers
Step-by-step explanation:
For calculating the number of costumers he should sample we use the next equation:
Where E is the error that we are prepared to accept, in this case E = 0.15
How we don't know the value of p, we can estimate it like p = 0.5
∝ = 1-0.98 = 0.02
1-∝/2 = 0.99
n = 60.32 costumers
n ≈ 61 costumers