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Assume that a normal distribution of data has a mean of 20 and a standard deviation of 2. Use the 68-95-99.7 rule to find the

Assume that a normal distribution of data has a mean of 20 and a standard deviation of 2. Use the 68-95-99.7 rule to find the percentage of values that lie below 22.What percentage of values lie below 22?% (Type an integer or a decimal.)

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