3 years ago

What is the surface area? 5 m 5 m 5 m square meters Submit

Mathematics

1 answer:

galben [10]3 years ago

3 0

Answer:

15 and np

Step-by-step explanation:

add 5 + 5+ 5

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Answer:

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Step-by-step explanation:

We know that the mean $\mu$ is:

$\mu = 62.5$

and the standard deviation $\sigma$ is:

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The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

$P(X$

We calculate the Z-score for X =65

$Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1$

$P(X$

Looking in the table for the standard normal distribution we have to:

$P(Z$ .

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

$N = P(X$

$N = 0.8413*5400$

$N= 4543$ Labrador retrievers

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Step-by-step explanation:

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