250 Year 1 students took an Intermediate level Statistics test. The scores were normally distributed with a mean of 70 and a standard deviation of 5. i) What percentage of scored are between scores 65 and 75? ii) What percentage of scored are between scores 60 and 85? iii) What percentage of scores is greater than a score of 80? iv) Approximately how many scored between scores of 60 and 70 ? ii) What interval contains 95% of all X values? iii) What interval contains 99% of all X values?

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