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BigorU [14]
4 years ago
13

Please answer all questions

Mathematics
1 answer:
dusya [7]4 years ago
7 0

Answer:

(A) 11.51%

(B) 13.27%

(C) We are 95% confident that the true value of the population mean is in between 7.70 and 8.30

(D) Increase

(E) Decrease

Step-by-step explanation:

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Oksi-84 [34.3K]
He needs to make $4,000 in sales in order to hit $575 so if he earns more than $4,000 in sales then he will exceed his goal. I did 575-455=120 to see how much he needs. Then I did 0.03×4=0.12. Well if you add 0's you will get 120 because the decimal will move so then I added 3 0's to get 0.03×4,000=120. Hope this helped.
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Answer:

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Step-by-step explanation:

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