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QUESTION
Ten thousand adults were given a literacy test. The results were nearly normally distributed (= 75,= 15) A. About how many scored between 60 and 80?
Ten thousand adults were given a literacy test. The results were nearly normally distributed (μ = 75, δ = 15)
A. About how many scored between 60 and 80?
B. Approximately what score did only the top 15% exceed?
C. Find the percentile rank of the person who scored 88.
