26.4 minutes. (Just add each of the numbers to get the total, if that helps.)
The mean : 2.5 million
S D = 0.6 million
2.5 - 2 · 0.6 = 2.5 - 1.2 = 1.3 million
2.5 + 2 · 0.6 = 2.5 + 1.2 = 3.7 million
Chebyshev theorem : at least 3/4 of the data lie within 2 standard deviations of the mean.
Answer:
At least 75 % of all firms.
Answer:
royal background is the answer
Answer:
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Answer:
15-9=6 So the answer is B. 6