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An exam is standardized to a Normal model, with a mean of 91 and a standard deviation of 18. Based on the Normal model N(91,

An exam is standardized to a Normal model, with a mean of 91 and a standard deviation of 18. Based on the Normal model N(91, 18) answer the following questions

a) What exam score represents the 69th percentile?

b) What exam score represents the 98th percentile?

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