What proportion of the students had scores between 30 and 40

Reference no: EM131384089

The distribution of 800 test scores in an introduction to psychology course was approximately normal, with μ = 35 and σ = 6.

a. What proportion of the students had scores between 30 and 40?

b. What is the probability that a randomly selected student would score between 30 and 40?

Reference no: EM131384089

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