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Zielflug [23.3K]
3 years ago
14

Use the given information to find the minimum sample size required to estimate an unknown population mean.

Mathematics
2 answers:
Harrizon [31]3 years ago
4 0

Answer:

c or b

Step-by-step explanation:

trapecia [35]3 years ago
4 0

Answer:

C) 94

Step-by-step explanation:

Margin of error = critical value × standard error

ME = CV × SE

Assuming n > 30, we can approximate CV with a normal distribution.  At P = 95%, CV = 1.96.

SE = σ / √n

SE = 593 / √n

Therefore:

120 = 1.96 × 593 / √n

n = 94

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8 0
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What is the image point (-2,-7) after a translation right 4 units and down 2 units
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Read 2 more answers
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