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Elanso [62]
3 years ago
9

Choose the numbers that are irrational. 3.624 0.6 0.87 -5

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

-5 because the number is before zero which irrational number

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In a population of 210 women, the heights of the women are normally distributed with a mean of 64.4 inches and a standard deviat
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Part A:

Given that i<span>n a population of 210 women, the heights of the women are normally distributed with a mean of 64.4 inches and a standard deviation of 2.9 inches.

If 36 women are selected at random, the mean of the sample is estimated by the mean of the population.

Thefore, the mean is given by: \mu_{\bar{x}}=64.4 \ inches



Part B:

The standard deviation using the finite population factor is given by:

\sigma_{\bar{x}}= \frac{\sigma}{\sqrt{n}} \cdot \sqrt{\frac{N-n}{N-1} } \\  \\ = \frac{2.9}{\sqrt{36}} \cdot \sqrt{\frac{210-36}{210-1} } =\frac{2.9}{6} \cdot \sqrt{\frac{174}{209} } \\  \\ =0.4833(\sqrt{0.8325}) =0.4833(0.9124) \\  \\ =0.44</span>
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