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BigorU [14]
3 years ago
13

Please answer all questions

Mathematics
1 answer:
dusya [7]3 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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