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The amount of time that it takes to take an exam has a skewed-to-left distribution with a mean of 65 minutes and a standard deviation of 8 minutes.

The amount of time that it takes to take an exam has a skewed-to-left distribution with a mean of 65 minutes and a standard deviation of 8 minutes. Which of the following properly describes the distribution of the amount of time it taken by a sample of 64 students?

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