3 years ago

») Noah finds 14 caterpillars and puts them in 2 cages.

Mathematics

1 answer:

Allisa [31]3 years ago

7 0

Answer:

7 Caterpillars

Step-by-step explanation:

14/2

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In a normal distribution, which is greater, the mean or the median? Explain.

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B. The mean; in a normal distribution, the mean is always greater than the median

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3 years ago

The standard deviation of a sample taken from population A is 17.6 for a sample of 25.

lawyer [7]

Answer:

The standard deviation of the sample mean differences is _5.23_

Step-by-step explanation:

We have a sample of a population A and a sample of a population B.

For the sample of population A, the standard deviation $\sigma_A$ is

$\sigma_A = 17.6$

The sample size $n_A$ is:

$n_A = 25$ .

For the sample of population B, the standard deviation $\sigma_B$ is

$\sigma_B = 21.2$

The sample size $n_B$ is:

$n_B = 30$ .

Then the standard deviation for the difference of means has the following form:

$\sigma=\sqrt{\frac{\sigma_A^2}{n_A}+\frac{\sigma_B^2}{n_B}}$

Finally

$\sigma=\sqrt{\frac{17.6^2}{25}+\frac{21.2^2}{30}}\\\\\sigma= 5.23$

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3 years ago

What is the sum of the digits of all 2-digit numbers from 10-99?

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Huh, well the sum is just adding the numbers together, so the answer is 4905.

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2 years ago

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Three boys, Adam, Kyle, and Ty, and two girls, Anne and Kate, have volunteered to help plan the school dance. One student will b

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Answer:

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PLEASE HELP ME I BEG YOU

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You need to find "two-fifths of 30." Of here means multiplication:

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