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The Ages of the Members of a Gym Have a Mean

Question 49

Multiple Choice

The ages of the members of a gym have a mean of 48 years and a standard deviation of 10 years. What can you conclude from Chebyshev's theorem about the percentage of gym members aged between 26 and 70?


A) The percentage is at least 79.3%
B) The percentage is approximately 54.5%
C) The percentage is at least 54.5%
D) The percentage is at most 79.3%

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