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tekilochka [14]
4 years ago
15

Which statement is true? This problem has me clueless.

Mathematics
1 answer:
Ede4ka [16]4 years ago
5 0
I believe c but I don't know
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Randy can buy 6 gallons of gas for $18 or 7 gallons of gas for $21. How much do you think he would pay for 8 gallons of gas?
nadya68 [22]
By dividing the price per gallon, we see that for every gallon he pays three dollars. 
18 Dollars/ 6 Gallons=3 and 21 Dollars/7 Gallons= 3.
So for 8 Gallons, if he pays that same rate of 3 Dollars, he will pay $24. 

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The monthly earnings of computer systems analysts are normally distributed with a mean of $4,300. If only 1.07% of the systems a
spin [16.1K]

Answer:800

Step-by-step explanation:

Mean(\mu )=\$ 4300

and P(X>6140)=0.0107

P(X>x_0)=0.0107

P\left ( \frac{X-\mu }{\sigma}

P\left ( z

\frac{x-\mu }{\sigma}=InvNormal(0.9893)

Using Z table to get InvNormal(0.9893)=2.30

\frac{6140-4300}{\sigma}=2.30

\sigma =\frac{6140-4300}{2.30}=800

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