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Lynna [10]
3 years ago
11

Write the following Arithmetic Sequence using a Recursive Formula: an = -8 + 2(n - 1)

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

d) a1 = -8, an = an-1 + 2

Step-by-step explanation:

The formule is:

an = a1 + r*(n - 1)

So:

an = -8 + 2(n - 1)

a1 + r*(n - 1) = -8 + 2(n - 1)

⇒ a1 = - 8   ∧ r = 2

Finally:

r = an - an-1

an = 2 + an-1

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3 years ago
A random sample of 200 voters in a town is selected, and 114 are found to support an annexa- tion suit. Find the 96% confidence
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a) 96% CI: 0.51\leq\pi\leq 0.63

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The standard deviation of the sample proportion is

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For a 96% CI, the z-value is z=1.751.

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