if an approxemitly bell shaped distribution has a mean of 30 and standard deviation of 5, what percent of the scores fall between 25 and 35?
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if an approxemitly bell shaped distribution has a mean of 30 and standard deviation of 5, what percent of the scores fall between 25 and 35?
Given that
X~N( μ = 30 , ? = 5 )
μ = 30 , ? = 5
Formula for Z-score
Z-score =( x - μ )/?
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