3 years ago

What is the rule for the function represented by: (0,-2), (1, -1), (2,2), (3,7)? Explain.

Mathematics

1 answer:

wariber [46]3 years ago

3 0

To be a function all the x’s must be different. That is a function

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Answer:

The number of weeks required = 216 weeks

Step-by-step explanation:

Given that:

Margin of Error E = 200

Confidence interval = 95% = 0.95

Level of SIgnificance = 1 - C.I

= 1 - 0.95

= 0.05

Standard deviation = 1500

The Critical value for Z :

$Z_{\alpha/2} =Z_{0.05/2} \\ \\ = Z_{0.025} = 1.96$

The number of weeks( i.e the sample size (n) ) required is :

$n = (\dfrac{Z_{\alpha/2} \times \sigma}{E})^2$

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C. is the correct answer
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