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Serhud [2]
2 years ago
7

Two sides of an isosceles triangle measure 3 inches and 7 inches. Which could be the length of the third side?

Mathematics
1 answer:
slamgirl [31]2 years ago
6 0

Answer:

7

Step-by-step explanation:

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Answer:

A sample size of 1031 is required.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

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The margin of error is of:

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You would like to be 98% confident that your estimate is within 3.5% of the true population proportion. How large of a sample size is required?

A sample size of n is required.

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\sqrt{n} = \frac{2.327\sqrt{0.37*0.63}}{0.035}

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