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A normal distribution has a mean of 18 and a standard deviation of 5.Solve the following problems: (a)Between what two scores x and y (x
A normal distribution has a mean of 18 and a standard deviation of 5.Solve the following problems:
(a)Between what two scores x and y (x a1) what is the value of x? a2) what is the value of y? (b)What percentage of scores fall between ten and thirty? (c)Below what score did 20% of the results fall? (d)What percentage of scores are above 25?
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