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Sauron [17]
3 years ago
12

Autumn sells laptop computers for $800 each. If she sells 57 computers, how much money does she earn?

Mathematics
1 answer:
Dvinal [7]3 years ago
6 0

Answer:

She will earn $45,600.

Step-by-step explanation:

Step 1: Multiply 800(the amount of money ONE computer costs) by 57(the number of computers sold)

It should look like this:

800 x 57

When you multiply right, you should get 45,600 dollars.


Hope this helped!! :)

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Step-by-step explanation:

We are given the following information in the question:

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Standard Deviation, σ = 14

We are given that the distribution of number of milligrams of porphyritic per deciliter of blood is a bell shaped distribution that is a normal distribution.

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z_{score} = \displaystyle\frac{x-\mu}{\sigma}

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P( x < 60) = P( z < \displaystyle\frac{60 - 40}{14}) = P(z < 1.4285)

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b) P(x is greater than 16)

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Calculating the value from the standard normal table we have,

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c)P(x is between 16 and 60)

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P(16 \leq x \leq 60) = 88\%

d)  P(x is more than 60)

P(x > 60)  = 1 - P(x < 60) = 1 - 0.923 = 0.077

6 0
3 years ago
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