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What percent of the population have scores above 40? b) What percent have scores between 30 and 40?

05 / 03 / 2018 Assignment

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The scores on an exam are normally distributed with µ = 30 and s = 7. (Show your working.)

a) What percent of the population have scores above 40?

b) What percent have scores between 30 and 40?

c) What score will place a student in the top 5% (to 1 decimal place)?


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