SOLUTION: Assume that a normal distribution of data has a mean of 24 and a standard deviation of 4. Use the 68, 95, 99.7 rule to find the percentage of values that lie below 16.

Question 1155286: Assume that a normal distribution of data has a mean of 24 and a standard deviation of 4. Use the 68, 95, 99.7 rule to find the percentage of values that lie below 16.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
68 means 1 sd on each side included. So that would be 24-4 and 24+4 or interval (20, 28)
For 95 it is 2 sd s and that would be (16, 32) The percentage below 16 if 2.5%, since the remaining 5% is split above 32 and below 16. ANSWER
For 99.7 it is 3 sd s and that would be (12, 36)
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