Answer:
0.9128 = 91.28% probability that the mean of the sample would differ from the population mean by less than 2.8 points if 63 exams are sampled
Step-by-step explanation:
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Answer:
A
Step-by-step explanation:
After u calculate the measure of each side by using formula

U should calculate the sum of all sides of this polygon
Answer:
18.84
Step-by-step explanation:
sorry if i get the wrong answer i literlly learn this but i complety forget it