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2 years ago

Explain how to find the actual area of logo 2. Then provide the area of Logo 2.

Mathematics

1 answer:

marysya [2.9K]2 years ago

7 0

The actual area of logo 2 is the amount of space on it

The actual area of logo 2 is 31.25 square feet

<h3>How to determine the actual area of logo 2?</h3>

The scale area of logo 2 is calculated using the following equation

A = (1/2 * (1/2 * 3)) + (1/2 (1/2 * 2))

Evaluate the sum and the product

A = 1.25 square inches

The scale ratio is given as:

1 inches : 5 feet

Take the square of both sides

1 square inches : 25 square feet

So, the actual area is:

A = 1.25 * 25 square feet

A = 31.25 square feet

Hence, the actual area of logo 2 is 31.25 square feet

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Since we have given that

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(b) Construct a 95% lower confidence bound on the mean life.

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So, confidence interval would be

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.65\times \dfrac{25}{\sqrt{75}}\\\\=1014\pm 4.76\\\\=(1014-4.76,1014+4.76)\\\\=(1009.24,1018.76)$

Hence, a) (1008.34,1019.658) b) (1009.24,1018.76)

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4 years ago

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Answer:

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