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A competency test has scores with a mean of 82 and a standard deviation of 2. A histogram of the data shows that the distribution is normal. Between what two values do about 99.7 of the values lie?
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A competency test has scores with a mean of 82 and a standard deviation of 2. A histogram of the data shows that the distribution is normal. Between what two values do about 99.7 of the values lie?

User David Pope
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Answer:

Between 76 and 88

User Francisco Paulo
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