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Source: Manhattan Prep
A number is randomly chosen from a list of 10 consecutive positive integers. What is the probability that the number selected is greater than the average (arithmetic mean) of all 10 integers?
A. \(\dfrac{3}{10}\)
B. \(\dfrac{2}{5}\)
C. \(\dfrac{1}{2}\)
D. \(\dfrac{7}{10}\)
E. \(\dfrac{4}{5}\)
The OA is C
A number is randomly chosen from a list of 10 consecutive positive integers. What is the probability that the number selected is greater than the average (arithmetic mean) of all 10 integers?
A. \(\dfrac{3}{10}\)
B. \(\dfrac{2}{5}\)
C. \(\dfrac{1}{2}\)
D. \(\dfrac{7}{10}\)
E. \(\dfrac{4}{5}\)
The OA is C
