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3 years ago

8

A rectangular garden is to be constructed using a rock wall as one side of the garden and wire fencing for the other three sides

. Given 200 ft of wire fencing, determine the dimensions that would create a garden of maximum area. What is the maximum area?

1 answer:

LiRa [457]3 years ago

6 0

Answer:

600

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Six and a half minus two and five sixths

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What is <br><br><br> 647.15 as a decimal

Katena32 [7]

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Step-by-step explanation:

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3 years ago

Use Tornados data and find two months (month X and month Y) for which we have the SECOND strongest NEGATIVE correlation. Create

viva [34]

Answer:

None of the statements is true. that is (e) None of the choices.

Step-by-step explanation:

Because if we go by the definition above that that Month X and month Y have the " strongest NEGATIVE correlation" then we can see clearly see that the option is not included.

Negative Correlation: this is the exact relationship between two variables whereby if one variable increases then the other variable decreases and vice versa.

Hence by this we are suppose to conclude that if we observe more tornadoes in month X then we will observe less tornadoes in Month Y.

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4 years ago

We are planning on introducing a new internet device that should drastically reduce the amount of viruses on personal computers.

Alexus [3.1K]

Answer:

The sample size required is 289.

Step-by-step explanation:

Let <em>p</em> be population proportion of people that would buy the product.

It is provided that the nationwide poll on this type of product and price was run earlier this year, with percentages running from 75% to 80%.

Assume that the sample proportion of people that would buy the product is, $\hat p=0.75$ .

A 95% Confidence Interval is to be constructed with a margin of error of 5%.

We need to determine the sample size required for the 95% Confidence Interval to be within 5% of the actual value.

The formula to compute the margin of error for a (1 - <em>α</em>)% confidence interval of population proportion is:

$MOE=z_{\alpha/2}\times\sqrt{\frac{\hat p(1-\hat p)}{n}}$

The critical value of <em>z</em> for 95% confidence interval is,

<em>z</em> = 1.96.

Compute the sample size required as follows:

$MOE=z_{\alpha/2}\times\sqrt{\frac{\hat p(1-\hat p)}{n}}$

$n=[\frac{z_{\alpha/2}\ \sqrt{\hat p(1-\hat p)} }{MOE}]^{2}$

$=[\frac{1.96\cdot \sqrt{0.75(1-0.75)} }{0.05}]^{2}\\\\=(16.9741)^{2}\\\\=288.12007081\\\\\approx 289$

Thus, the sample size required is 289.

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3 years ago