3 years ago

It's for Criminal Evidence

SAT

1 answer:

FinnZ [79.3K]3 years ago

7 0

Is this a questions.??

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15. For a random sample of n = 64, find the probability of a sample mean being

mart [117]

Answer:

0.9726

Explanation:

The computation of the probability of a sample mean is shown below:

$P(\bar x < 24.3)$

To find the probability first we have to determine the z score which is

$z = \frac{\bar x - \mu_{\bar x}}{\sigma_{\bar x}} \\\\ = \frac{\bar x - \mu }{\frac{\sigma}{\sqrt{n} } } \\\\ = \frac{24.3 - 24}{\frac{1.25}{\sqrt{64} } }$

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$P(\bar x < 24.3) \\\\= P(z < 1.92)$

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3 years ago

What is the test structure for the SAT?

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Explanation:

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