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OpenStudy (anonymous):
assume that a normal distribution of data has a mean of 25 and a standard deviation of 3. use the 68-95-99.7 rule to find the percentage of values that lie below 28. what percentage of values lie below 28?
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OpenStudy (anonymous):
28-mean 25 = 3, which is one standard deviation from the mean. So use 68%
OpenStudy (anonymous):
thats not right
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