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algol13
3 years ago
8

Kể về một kỉ niệm của một người thân trong gia đình Ngữ Văn 9

SAT
1 answer:
jeka943 years ago
4 0

.............what-??????

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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} } }

= 1.92

Now probability is

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

= 0.9726

Hence, the probability of the sample mean is 0.9726

We simply applied the above formulas to determined the probability of a sample mean and the same is to be considered

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3 years ago
A stockbroker placed the following order for a customer:50 shares of kaiser aluminum preferred at $104 a share,100 shares of GTE
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Answer:

Price her with the price of 35.99$.

Explanation:

5 0
2 years ago
Which expression represents 10 times the sum of a number and 4?
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(2+1)10=30 is the answer DIDNT solve searched
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What happens to the speed of molecules in water vapor when it condenses to form a liquid
andrew-mc [135]
They slow down, because condensation causes them to bond together, forming a liquid.

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