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Question:

According to Chebyshev’s inequality, the minimum proportion of observations falling within three standard deviations of the mean for a negatively skewed distribution is closest to:

A
89%.

Explaination

According to Chebyshev’s inequality, the proportion of the observations within 3 standard deviations of the mean is at least $2024_w137_h23.png$ or 89%. This holds for any distribution, regardless of the shape

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